Изображения. КСС. Костно-суставная система. Патология 4. Из коллекции Gillian Lieberman. +

Изображения.  Костно-суставная система.  Патология 4. Gillian Lieberman

Ankle: Osteochondral Lesion of the Talus on Plain Film and MRI ScanAnkle: Osteochondral Lesion of the Talus on Plain Film and MRI Scan

Findings: Frontal plain film: There is a bony defect in the medial aspect of the talar dome. Coronal MRI: Edema sensitive T2...

Calcific Tendonitis of the Longus Colli Muscle on Plain Film, CT, and MRI ScansCalcific Tendonitis of the Longus Colli Muscle on Plain Film, CT, and MRI Scans

Findings: The plain film and CT scans show a calcific focus anterior to C2. The MRI scan shows increased signal in C2 and...

Elbow: Olecranon Bursitis in Gout on Plain FilmElbow: Olecranon Bursitis in Gout on Plain Film

Findings: This patient shows enlargement of the olecranon bursa and a spur off the olecranon process. Bilateral enlarged...

Femur: Nonossifying Fibroma (NOF) on CT ScansFemur: Nonossifying Fibroma (NOF) on CT Scans

Findings: The CT scans demonstrate an eccentric, cortically based lesion with a well-defined sclerotic border in the distal...

Foot: Bilateral Rheumatoid Arthritis (RA) on Plain FilmsFoot: Bilateral Rheumatoid Arthritis (RA) on Plain Films

Findings: Left foot: This patient presents with soft tissue swelling, marginal erosions, and subluxation at the 5th MTP...

Ankle: Focal Pigmented Villonodular Synovitis (PVNS) on Plain Film and MRI ScansAnkle: Focal Pigmented Villonodular Synovitis (PVNS) on Plain Film and MRI Scans

Findings: The plain film shows a round soft tissue mass in the anterior aspect of the ankle joint. The MRI scans show a low...

Arm: Soft Tissue Calcification on Plain FilmArm: Soft Tissue Calcification on Plain Film

Findings: This patient demonstrates intramuscular calcification presenting as calcareous fascial sheets and subcutaneous...

Elbow: Comminuted Fracture of Distal Humerus from Gunshot with Internal Fixation on Plain FilmElbow: Comminuted Fracture of Distal Humerus from Gunshot with Internal Fixation on Plain Film

Findings: This patient presents with a comminuted fracture of the distal humerus from bullet shrapnel.  ...

Femur: Avascular Necrosis (AVN) of Both Femoral Heads on Plain FilmFemur: Avascular Necrosis (AVN) of Both Femoral Heads on Plain Film

Findings: There is bilateral femoral head flattening, collapse, fragmentation, and increased density. These are the classic...

Foot and Spine: Lover's Fracture on CT ScansFoot and Spine: Lover's Fracture on CT Scans

Findings: This patient demonstrates a fracture through the calcaneus and a vertebral compression fracture at the...

Foot: Gout on Plain FilmFoot: Gout on Plain Film

Findings: There are periarticular erosions at the 1st MTP and IP joints associated with cloudy increased soft tissue density...

Ankle: Achilles Tendon Rupture on Plain Film and MRI ScanAnkle: Achilles Tendon Rupture on Plain Film and MRI Scan

Findings: The Achilles tendon is the largest tendon in the body. It is formed from the conjoined tendons of the...

Arm: Sclerosing Osteomyelitis on Plain FilmArm: Sclerosing Osteomyelitis on Plain Film

Findings: There is a densely sclerotic lesion with small lucency in the diaphysis. The bone is enlarged in the...

Elbow: Biceps Tendon Rupture on MRI ScanElbow: Biceps Tendon Rupture on MRI Scan

Findings: The T2 MR image with fat saturation shows a ruptured distal biceps brachii tendon. The tendon is wavy and there...

Femur and Tibia: Multiple Exostoses / Osteochondromata on Plain FilmsFemur and Tibia: Multiple Exostoses / Osteochondromata on Plain Films

Findings: This patient demonstrates multiple exostoses, synonymous with osteochondromata. Exostosis / exostoses may be...

Finger: Sarcoidosis on Plain FilmsFinger: Sarcoidosis on Plain Films

Findings: The plain films show soft tissue nodularity and bony destruction centered around the PIP of the middle finger. The...

Foot: Calcified Tophi in Gout on Plain FilmFoot: Calcified Tophi in Gout on Plain Film

Findings: This patient shows the classic appearance of soft tissue gouty tophi. The deposits of sodium biurate crystals in...

Arm: Biceps Tendinopathy on MRI ScansArm: Biceps Tendinopathy on MRI Scans

Findings: The axial MRI of the shoulder shows increased T2 signal in the long head of the biceps tendon in the bicipital...

Clavicle: Hyperparathyroidism / Renal Osteodystrophy on Plain FilmClavicle: Hyperparathyroidism / Renal Osteodystrophy on Plain Film

Findings: Renal osteodystrophy presents with one of the following triad: Diffuse Osteosclerosis, Secondary...

Ewing Sarcoma with Metastases on MRI ScansEwing Sarcoma with Metastases on MRI Scans

Findings: The abdominal MRI demonstrates a mass centered on the right iliac crest and multiple bone metastases. The head MRI...

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Hands: Hyperparathyroidism / Renal Osteodystrophy on Plain FilmHands: Hyperparathyroidism / Renal Osteodystrophy on Plain Film

Findings: Renal osteodystrophy presents with one of the following triad: Diffuse Osteosclerosis, Secondary...

Hip: Moderately Severe Osteoarthritis (OA) / Degenerative Joint Disease (DJD) on Plain FilmHip: Moderately Severe Osteoarthritis (OA) / Degenerative Joint Disease (DJD) on Plain Film

Findings: This patient shows the classic radiologic features of severe osteoarthritis: Eccentric joint space narrowing,...

Arm: Biceps Tendinopathy on MRI ScansArm: Biceps Tendinopathy on MRI Scans

Findings: The axial MRI of the shoulder shows increased T2 signal in the long head of the biceps tendon in the bicipital...

Clavicle: Hyperparathyroidism / Renal Osteodystrophy on Plain FilmClavicle: Hyperparathyroidism / Renal Osteodystrophy on Plain Film

Findings: Renal osteodystrophy presents with one of the following triad: Diffuse Osteosclerosis, Secondary...

Ewing Sarcoma with Metastases on MRI ScansEwing Sarcoma with Metastases on MRI Scans

Findings: The abdominal MRI demonstrates a mass centered on the right iliac crest and multiple bone metastases. The head MRI...

Finger: Comminuted Intra-articular Fracture on Plain FilmFinger: Comminuted Intra-articular Fracture on Plain Film

Findings: There is a comminuted intra-articular fracture at the volar base of the fourth middle phalanx.  ...

Foot: Calcaneal Stress Fracture on Plain FilmFoot: Calcaneal Stress Fracture on Plain Film

Findings: There is a sclerotic line in the superior calcaneus secondary to a stress fracture.   Discussion: Stress...

Foot: Neuropathic Arthritis / Charcot Food with Vascular Calcification on Plain FilmFoot: Neuropathic Arthritis / Charcot Food with Vascular Calcification on Plain Film

Findings: There is extensive arterial calcification There is preservation of bone mineral density. There are compression...

Ankle: Focal Pigmented Villonodular Synovitis (PVNS) on Plain Film and MRI ScansAnkle: Focal Pigmented Villonodular Synovitis (PVNS) on Plain Film and MRI Scans

Findings: The plain film shows a round soft tissue mass in the anterior aspect of the ankle joint. The MRI scans show a low...

Arm: Soft Tissue Calcification on Plain FilmArm: Soft Tissue Calcification on Plain Film

Findings: This patient demonstrates intramuscular calcification presenting as calcareous fascial sheets and subcutaneous...

Elbow: Comminuted Fracture of Distal Humerus from Gunshot with Internal Fixation on Plain FilmElbow: Comminuted Fracture of Distal Humerus from Gunshot with Internal Fixation on Plain Film

Findings: This patient presents with a comminuted fracture of the distal humerus from bullet shrapnel.  ...

Femur: Avascular Necrosis (AVN) of Both Femoral Heads on Plain FilmFemur: Avascular Necrosis (AVN) of Both Femoral Heads on Plain Film

Findings: There is bilateral femoral head flattening, collapse, fragmentation, and increased density. These are the classic...

Foot and Spine: Lover's Fracture on CT ScansFoot and Spine: Lover's Fracture on CT Scans

Findings: This patient demonstrates a fracture through the calcaneus and a vertebral compression fracture at the...

Foot: Gout on Plain FilmFoot: Gout on Plain Film

Findings: There are periarticular erosions at the 1st MTP and IP joints associated with cloudy increased soft tissue density...

Ankle: Severe Osteoarthritis (OA) / Degenerative Joint Disease (DJD) on CT ScansAnkle: Severe Osteoarthritis (OA) / Degenerative Joint Disease (DJD) on CT Scans

Findings: This patient shows the classic radiologic features of severe osteoarthritis: Diffuse joint space narrowing,...

Chest: Lipoma on Plain FilmChest: Lipoma on Plain Film

Findings: The frontal CXR and magnification view show a well-defined mass in the left chest wall. The mass has fatty...


 

Foot: Bipartite Medial Sesamoid Bone on Plain FilmsFoot: Bipartite Medial Sesamoid Bone on Plain Films

Findings: The medial sesamoid demonstrates two portions.   Discussion: A sesamoid bone is a floating bone in a...

Femur: Nonossifying Fibroma (NOF) on Plain FilmFemur: Nonossifying Fibroma (NOF) on Plain Film

Findings: The plain film demonstrates a nonossifying fibroma in the femur.   Discussion: A non-ossifying fibroma...

Foot: Lisfranc Fracture on Plain FilmFoot: Lisfranc Fracture on Plain Film

Findings: This patient demonstrates the medial cortical margin of the 2nd metatarsal base is malaligned with the medial...

Foot: Reactive Arthritis / Reiters on Plain FilmsFoot: Reactive Arthritis / Reiters on Plain Films

Findings: There is a marginal erosion of the 5th metatarsal. There is a calcaneal erosion and adjacent soft tissue...

Foot: Osteomyelitis of the Distal Phalanx on Plain FilmsFoot: Osteomyelitis of the Distal Phalanx on Plain Films

Findings: This patient demonstrates soft tissue swelling and bone destruction of the distal phalanx of the great toe due to...

Hand and Chest: Scleroderma on Plain Film and CT ScanHand and Chest: Scleroderma on Plain Film and CT Scan

Findings: Hand: There is acro-osteolysis of the distal tufts of all 5 fingers. There is also ankylosis of the PIP joint of...

Hand: Rheumatoid Arthritis on Plain Film and MRI ScanHand: Rheumatoid Arthritis on Plain Film and MRI Scan

Findings: Plain film: This patient demonstrates radiocarpal and intercarpal joint space narrowing and erosions. C+ MRI: This...

Hands: Rheumatoid Arthritis (RA) on Plain FilmsHands: Rheumatoid Arthritis (RA) on Plain Films

Findings: This patient presents with bilateral periarticular osteopenia, intercarpal, MCP, PIP joint space narrowing, and...

Ankle: Achilles Tendon Rupture on Plain Film and MRI ScanAnkle: Achilles Tendon Rupture on Plain Film and MRI Scan

Findings: The Achilles tendon is the largest tendon in the body. It is formed from the conjoined tendons of the...

Arm: Sclerosing Osteomyelitis on Plain FilmArm: Sclerosing Osteomyelitis on Plain Film

Findings: There is a densely sclerotic lesion with small lucency in the diaphysis. The bone is enlarged in the...

Elbow: Biceps Tendon Rupture on MRI ScanElbow: Biceps Tendon Rupture on MRI Scan

Findings: The T2 MR image with fat saturation shows a ruptured distal biceps brachii tendon. The tendon is wavy and there...

Femur and Tibia: Multiple Exostoses / Osteochondromata on Plain FilmsFemur and Tibia: Multiple Exostoses / Osteochondromata on Plain Films

Findings: This patient demonstrates multiple exostoses, synonymous with osteochondromata. Exostosis / exostoses may be...

Finger: Sarcoidosis on Plain FilmsFinger: Sarcoidosis on Plain Films

Findings: The plain films show soft tissue nodularity and bony destruction centered around the PIP of the middle finger. The...

Foot: Calcified Tophi in Gout on Plain FilmFoot: Calcified Tophi in Gout on Plain Film

Findings: This patient shows the classic appearance of soft tissue gouty tophi. The deposits of sodium biurate crystals in...

Foot: Osteoarthritis (OA) / Degenerative Joint Disease (DJD) of the 1st MTP Joint on Plain FilmsFoot: Osteoarthritis (OA) / Degenerative Joint Disease (DJD) of the 1st MTP Joint on Plain Films

Findings: This patient shows the classic radiologic features of osteoarthritis: Joint space narrowing, Subchondral...

Foot: Synphalangism and Stress Fracture on Plain FilmFoot: Synphalangism and Stress Fracture on Plain Film

Findings: There is 5th DIP synphalangism. There is a healing 3rd metatarsal stress fracture.   Discussion: Pedal...

Hand: Rheumatoid Arthritis on MRI ScansHand: Rheumatoid Arthritis on MRI Scans

Findings: This patient presents with erosions, marrow edema and joint effusion of the 3rd MCP joint.   Discussion:...

Hands: Hyperparathyroidism / Renal Osteodystrophy on Plain FilmHands: Hyperparathyroidism / Renal Osteodystrophy on Plain Film

Findings: Renal osteodystrophy presents with one of the following triad: Diffuse Osteosclerosis, Secondary...

Hip: Osteochondroma / Exostoses on Plain Film and MRI ScanHip: Osteochondroma / Exostoses on Plain Film and MRI Scan

Findings: Plain Film: There is a pedunculated mass arising from the proximal femur medially. The cortex and medulla of the...

Foot: Rheumatoid Arthritis on MRI ScanFoot: Rheumatoid Arthritis on MRI Scan

Findings: This patient demonstrates synovial enhancement and erosions of the 1st metatarsal and medial cuneiform. On...

Hand: Psoriatic Arthritis on Plain FilmsHand: Psoriatic Arthritis on Plain Films

Findings: There is marked joint space narrowing of many DIP and PIP joints. The joint space narrowing with associated...

Hand: Spina Ventosa on Plain FilmsHand: Spina Ventosa on Plain Films

Findings: Spina ventosa is the term for an expansile, lytic lesion of a distal phalanx. Spina ventosa was originally used to...

Hip: Endpoint Osteoarthritis (OA) / Degenerative Joint Disease (DJD) on Plain FilmsHip: Endpoint Osteoarthritis (OA) / Degenerative Joint Disease (DJD) on Plain Films

Findings: This patient shows the classic radiologic features of endpoint osteoarthritis: Joint space obliteration,...

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Hip: Severe Osteoarthritis (OA) / Degenerative Joint Disease (DJD) on Plain FilmsHip: Severe Osteoarthritis (OA) / Degenerative Joint Disease (DJD) on Plain Films

Findings: This patient shows the classic radiologic features of severe osteoarthritis: Diffuse joint space narrowing,...

Knee and Ankle: Maisonneuve Fracture on Plain FilmsKnee and Ankle: Maisonneuve Fracture on Plain Films

Findings: Knee views: There is an oblique fracture through the upper third of the fibula. Ankle views: There is abnormal...

Foot: Jones Fracture on Plain FilmsFoot: Jones Fracture on Plain Films

Findings: This patient demonstrates a transverse fracture line at the base of the 5th metatarsal, called a Jones...

Foot: Plantar Fasciitis on MRI ScansFoot: Plantar Fasciitis on MRI Scans

Findings: The sagittal STIR (edema sensitive) MR image shows a thickened plantar fascia with edema. Contrast this with the...

Hand: Maffucci Syndrome on Plain FilmHand: Maffucci Syndrome on Plain Film

Findings: There is marked deformity of all the metacarpals and phalanges with bony expansion due to multiple...

Hand: Severe Erosive Osteoarthritis (OA) on Plain FilmHand: Severe Erosive Osteoarthritis (OA) on Plain Film

Findings: Post-menopausal females. Affects same joints as primary osteoarthritis: 1st CMC, DIP, PIP joints. Presents...

Hemothorax on CT ScansHemothorax on CT Scans

Findings: The CT shows an effusion with relatively high attenuation; hemorrhage has an attenuation exceeding 35 Hounsfield...

Hip: Pigmented Villonodular Synovitis (PVNS) on MRI ScansHip: Pigmented Villonodular Synovitis (PVNS) on MRI Scans

Findings: The MRI scans show multiple low signal intensity lesions in the femoral neck.   Discussion: PVNS is a...


 

Hand: Rheumatoid Arthritis (RA) on Plain FilmHand: Rheumatoid Arthritis (RA) on Plain Film

Findings: This patient demonstrates bilateral symmetric joint space narrowing and erosions at the radiocarpal,...

Hand: Vascular Calcification with Dislocation on Plain FilmHand: Vascular Calcification with Dislocation on Plain Film

Findings: There is dramatic calcification of most arteries to the hand compatible with severe atherosclerosis. The...

Hip: Heterotopic Ossification with Joint Replacement on Plain FilmHip: Heterotopic Ossification with Joint Replacement on Plain Film

Findings: This patient is s/p left total hip replacement. There are multiple foci of left heterotopic ossification. There is...

Hip: Total Hip Arthroplasty Loosening on Plain FilmsHip: Total Hip Arthroplasty Loosening on Plain Films

Findings: The plain films show lucency at the bone-cement interface surrounding the femoral stem. Greater than 2 mm of...

Knee and Wrist: Calcium Pyrophosphate Deposition Disease (CPPD) on Plain FilmsKnee and Wrist: Calcium Pyrophosphate Deposition Disease (CPPD) on Plain Films

Findings: Wrist: There is chondrocalcinosis. There is also scapholunate widening from calcification and disruption of the...

Hand: Osteoporosis on Plain FilmHand: Osteoporosis on Plain Film

Findings: All the bones demonstrate diffusely decreased mineral density with diffuse cortical thinning. There is a fracture...

Hand: Severed Finger on Plain FilmsHand: Severed Finger on Plain Films

Findings: The plain films show a severed distal phalanx of the thumb. The flexor pollicis longus tendon is seen attached to...

Hip: Diffuse Pigmented Villonodular Synovitis (PVNS) on Plain Film and MRIHip: Diffuse Pigmented Villonodular Synovitis (PVNS) on Plain Film and MRI

Findings: The plain film demonstrates cystic areas in the femoral head and the acetabulum with joint space narrowing from...

Hip: Pigmented Villonodular Synovitis (PVNS) on Plain FilmsHip: Pigmented Villonodular Synovitis (PVNS) on Plain Films

Findings: The plain films demonstrate external circumferential erosions of the femoral neck with relative sparing of the...

Hyoid Fracture with Abscess Complicating a Blow to the Neck on CT ScansHyoid Fracture with Abscess Complicating a Blow to the Neck on CT Scans

Findings: The CT scans demonstrate a fractured hyoid bone, gas bubbles in an abscess producing mass effect, and narrowing of...

Ankle: Nonossifying Fibroma (NOF) on Plain FilmsAnkle: Nonossifying Fibroma (NOF) on Plain Films

Findings: The plain films demonstrate a well-defined cortically based lesion arising from the posterolateral cortex of the...

Buttress Plate: Fractured Screws on Plain FilmButtress Plate: Fractured Screws on Plain Film

Findings: This patient is S/P fractures of the medial and lateral malleoli with internal fixation. There are now fractured...

Elbow: Fracture of the Radial Head with Effusion on Plain FilmsElbow: Fracture of the Radial Head with Effusion on Plain Films

Findings: Frontal view: There is a subtle vertical fracture through the radial head. Lateral view: The anterior fat pad is...

Femur: Avascular Necrosis (AVN) of the Femoral Head on Plain FilmFemur: Avascular Necrosis (AVN) of the Femoral Head on Plain Film

Findings: AVN frequently affects the heads of the femur and humerus. Early AVN may present with a crescentic lucency below...

Foot and Spine: Lover's Fracture on CT ScansFoot and Spine: Lover's Fracture on CT Scans

Findings: There are bilateral markedly comminuted calcaneal fractures. There are compression fractures of L1, L3, and L4...

Foot: Intraosseous Lipoma on MRI ScanFoot: Intraosseous Lipoma on MRI Scan

Findings: The T1 sagittal MR image shows a hyperintense lesion in the calcaneal body containing a central area of low signal.

Foot: Osteomyelitis on Plain FilmsFoot: Osteomyelitis on Plain Films

Findings: Frontal and lateral views of the foot show a soft tissue ulcer with adjacent osseous destruction.  ...

Hand: Enchondroma of a Phalanx on Plain FilmsHand: Enchondroma of a Phalanx on Plain Films

Findings: Enchondroma / enchondromata may be single or multiple. Multiple enchondromatosis is also called Ollier's disease....

Hand: Seagull Erosion of Erosive Osteoarthritis (OA) on Plain FilmsHand: Seagull Erosion of Erosive Osteoarthritis (OA) on Plain Films

Findings: Post-menopausal females. Affects same joints as primary osteoarthritis: 1st CMC, DIP, PIP joints. Presents...

Head: Osteoma on CT ScanHead: Osteoma on CT Scan

Findings: There is a well-defined oval sclerotic lesion arising from the outer table of the skull   Discussion: An...

Hip: Osteochondroma on CT and MRI ScansHip: Osteochondroma on CT and MRI Scans

Findings: There is a calcified/ossified mass arising from the left iliac crest. There is a dense periphery suggestive of the...

Humerus: Enchondroma with Pathologic Fracture on Plain FilmHumerus: Enchondroma with Pathologic Fracture on Plain Film

Findings: There is a sclerotic, non-expansile lesion of the proximal diaphysis with arcs and rings suggestive of a chondroid...

Hip: Osteochondroma / Exostoses on Plain FilmsHip: Osteochondroma / Exostoses on Plain Films

Findings: There is a pedunculated mass arising from the proximal femur medially. The cortex and medulla of the stalk are...

Humerus: Avascular Necrosis (AVN) with Iron Overload on MRI ScanHumerus: Avascular Necrosis (AVN) with Iron Overload on MRI Scan

Findings: AVN: altered signal with low signal crescent in the humeral head There are areas of heterogenous intensity in the...

Knee: Anterior Cruciate Ligament (ACL) Rupture Associated with Segond Fracture on MRI ScansKnee: Anterior Cruciate Ligament (ACL) Rupture Associated with Segond Fracture on MRI Scans

Findings: The Proton Density image shows no intact fibers to the anterior cruciate ligament (ACL).   Discussion: A...

Knee: Giant Cell Tumor on Plain FilmsKnee: Giant Cell Tumor on Plain Films

Findings: There is a lucent lesion in the proximal tibia with a non-sclerotic well-defined border which extends to the...

Knee: Osteosarcoma on Plain FilmsKnee: Osteosarcoma on Plain Films

Findings: Frontal and lateral views show a large mass centered in the distal femur. There is a large soft tissue component...

Humerus and Femur: Multiple Myeloma on Plain FilmsHumerus and Femur: Multiple Myeloma on Plain Films

Findings: Humerus: there are multiple subtle “punched-out” lesions, characteristic of multiple myeloma. Femur: there is...

Knee: Aneurysmal Bone Cyst on MRI ScansKnee: Aneurysmal Bone Cyst on MRI Scans

Findings: There is a lesion in the posterior distal femoral metaphysis with well-defined borders containing “fluid/fluid”...

Knee: Focal Pigmented Villonodular Synovitis (PVNS) on CT Scans and MRIKnee: Focal Pigmented Villonodular Synovitis (PVNS) on CT Scans and MRI

Findings: The sagittal MRIs show a low signal lesion eroding the posterior aspect of the lateral femoral condyle. The...

Knee: Normal Plain FilmsKnee: Normal Plain Films
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Knee: Small Suprapatellar Bursa Effusion on Plain FilmKnee: Small Suprapatellar Bursa Effusion on Plain Film
Metastatic Bone Lesions on CT, MRI, and RN ScansMetastatic Bone Lesions on CT, MRI, and RN Scans

Findings: The CT scan shows multiple low attenuation metastases. The MRI scan shows multiple high signal metastases. The...

Knee: Diffuse Pigmented Villonodular Synovitis (PVNS) on Plain Film and MRIKnee: Diffuse Pigmented Villonodular Synovitis (PVNS) on Plain Film and MRI

Findings: The plain film shows a large knee joint effusion. The MRI shows low signal “blooming” material adjacent to the...

Knee: Moderate Osteoarthritis (OA) / Degenerative Joint Disease (DJD) on Plain Film and CT ArthrogramKnee: Moderate Osteoarthritis (OA) / Degenerative Joint Disease (DJD) on Plain Film and CT Arthrogram

Findings: This patient shows the classic radiologic features of moderate osteoarthritis: Eccentric joint space narrowing,...

Knee: Rheumatoid Arthritis on MRI ScanKnee: Rheumatoid Arthritis on MRI Scan

Findings: This patient presents with low signal synovial proliferation surrounding the anterior cruciate...

Lumbar Spine: Severe Osteoarthritis (OA) / Degenerative Joint Disease (DJD) on Plain FilmLumbar Spine: Severe Osteoarthritis (OA) / Degenerative Joint Disease (DJD) on Plain Film

Findings: This patient shows the classic radiologic features of severe lumbar osteoarthritis: Joint space narrowing,...

Periosteal Reaction: Codman Triangle in Prostate Cancer Metastasis on Plain FilmPeriosteal Reaction: Codman Triangle in Prostate Cancer Metastasis on Plain Film

Findings: The distal femur demonstrates an eccentric, sclerotic lesion with periosteal reaction in the form of a Codman...

Knee: Complex Tear of Medial Meniscus on MRIKnee: Complex Tear of Medial Meniscus on MRI

Findings: There is a complex tear of the medial meniscus with a radial tear of the body and posterior horn as well as an...

Knee: Mild Osteoarthritis (OA) / Degenerative Joint Disease (DJD) on Plain FilmKnee: Mild Osteoarthritis (OA) / Degenerative Joint Disease (DJD) on Plain Film

Findings: This patient shows the classic radiologic features of mild osteoarthritis: Mild eccentric joint space...

Knee: Patellofemoral Osteoarthritis (OA) / Degenerative Joint Disease (DJD) on Plain FilmKnee: Patellofemoral Osteoarthritis (OA) / Degenerative Joint Disease (DJD) on Plain Film

Findings: This patient shows the classic radiologic features of patellofemoral osteoarthritis: Joint space narrowing,...

Leg: Soft Tissue Calcification on Plain FilmLeg: Soft Tissue Calcification on Plain Film

Findings: This plain film demonstrates linear netlike sheets of intramuscular calcification   Discussion:...

Paget's Disease of the Pelvis and Spine on Plain Film and CT ScanPaget's Disease of the Pelvis and Spine on Plain Film and CT Scan

Findings: Plain Film: The right innominate bone shows increased density, increased size, and coarsened trabeculae. CT: There...

Humerus: Unicameral / Simple Bone Cyst on Plain FilmHumerus: Unicameral / Simple Bone Cyst on Plain Film

Findings: There is a lucent cystic lesion in the proximal humerus. A cortical step-off due to facture is seen. There is...

Knee: Chondrocalcinosis on Plain FilmsKnee: Chondrocalcinosis on Plain Films

Findings: Chondrocalcinosis is the term used for calcification of cartilage. Chondrocalcinosis occurs relatively frequently...

Knee: Meniscal Tear on MRI ScansKnee: Meniscal Tear on MRI Scans

Findings: The MRIs show abnormal increased signal contacting the inferior articular surface in the posterior horn of the...

Knee: Patellofemoral Osteoarthritis (OA) / Degenerative Joint Disease (DJD) on MRI ScanKnee: Patellofemoral Osteoarthritis (OA) / Degenerative Joint Disease (DJD) on MRI Scan

Findings: There is loss of cartilage on the posterior patella and the anterior femur. The femur shows marrow edema at the...

Leg: Muscle Atrophy Secondary to Polio on Plain FilmsLeg: Muscle Atrophy Secondary to Polio on Plain Films

Findings: There is marked wasting of the muscle and soft tissue. The tibia and fibula are decreased in diameter with...

Paget's Disease in the Hip and Hand on Plain FilmsPaget's Disease in the Hip and Hand on Plain Films

Findings: The proximal fifth phalanx shows increased density, increased size, and coarsened trabeculae. The femoral head,...

Periosteal Reaction: Infantile Cortical Hyperostosis (aka Caffey Disease) on Plain FilmPeriosteal Reaction: Infantile Cortical Hyperostosis (aka Caffey Disease) on Plain Film

Findings: There is extensive thick periosteal reaction along the tibia and fibula.   Discussion: Caffey disease is...

Knee: Enchondroma on Plain FilmsKnee: Enchondroma on Plain Films

Findings: There is an intra-medullary lesion in the distal femoral metaphysis containing the typical stippled calcification...

Knee: Moderately Severe Osteroarthritis (OA) / Degenerative Joint Disease (DJD) on Plain FilmKnee: Moderately Severe Osteroarthritis (OA) / Degenerative Joint Disease (DJD) on Plain Film

Findings: This patient shows classic radiologic features of osteoarthritis: Diffuse joint space narrowing, Subchondral...

Knee: Segond Fracture and Anterior Cruciate Ligament (ACL) Rupture on Plain FilmsKnee: Segond Fracture and Anterior Cruciate Ligament (ACL) Rupture on Plain Films

Findings: Frontal Radiograph: This patient shows a curvilinear osseous fragment at the lateral margin of the tibial plateau....

Medullary Rod: Fractured Interlocking Screw on Plain FilmsMedullary Rod: Fractured Interlocking Screw on Plain Films

Findings: This patient presents with a fractured interlocking screw of a medullary rod used for internal fixation of a...

Periosteal Reaction: Disorganized in Fracture and Resolution on Plain FilmsPeriosteal Reaction: Disorganized in Fracture and Resolution on Plain Films

Findings: Week one: There is disorganized, exuberant periosteal reaction surrounding the 3rd metatarsal fracture. Week...

Periosteal Reaction: Physiologic in the Newborn on Plain FilmPeriosteal Reaction: Physiologic in the Newborn on Plain Film

Findings: There is thin, smooth periosteal reaction involving both femurs.   Discussion: Physiologic periosteal...

Knee: Tibial Plateau Fracture Presenting as Fat-Fluid Level on Plain Film and CT ScanKnee: Tibial Plateau Fracture Presenting as Fat-Fluid Level on Plain Film and CT Scan

Findings: The cross table lateral view of the knee shows a fat-fluid level in the suprapatellar bursa. This finding is...

Multiple Myeloma on Plain FilmMultiple Myeloma on Plain Film

Findings: Multiple myeloma is a plasma cell dyscrasia with uncontrolled proliferation of the plasma cells involved in the...

Periosteal Reaction: Hypertrophic Pulmonary Osteoarthropathy due to Lung Cancer on Plain Film and RN ScanPeriosteal Reaction: Hypertrophic Pulmonary Osteoarthropathy due to Lung Cancer on Plain Film and RN Scan

Findings: Plain Film: There are thick, fluffy, symmetric periosteal reactions along shafts of multiple metacarpals and...

Periosteal Reaction: Solid Periosteal Reaction in Psoriatic Arthritis on Plain FilmPeriosteal Reaction: Solid Periosteal Reaction in Psoriatic Arthritis on Plain Film

Findings: There is thick, solid periosteal reaction in the third proximal phalanx. There are marginal erosions.  ...

Periosteal Reaction: Hair-on-End in Ewing’s Sarcoma on Plain FilmPeriosteal Reaction: Hair-on-End in Ewing’s Sarcoma on Plain Film

Findings: There is a bone lesion in the fibula with a spiculated, perpendicular, hair-on-end periosteal...

Periosteal Reaction: Solid in Osteoid Osteoma on Plain Film and CT ScanPeriosteal Reaction: Solid in Osteoid Osteoma on Plain Film and CT Scan

Findings: There is a smooth, thick periosteal reaction with a lucent central nidus in the tibia.   Discussion: A...

Radius: Nonossifying Fibroma (NOF) on Plain FilmsRadius: Nonossifying Fibroma (NOF) on Plain Films

Findings: A nonossifying fibroma is a benign tumor. It is an extension of a fibrous cortical defect. The lucent lesion is...

Shoulder: Calcific Periarthritis on Plain FilmShoulder: Calcific Periarthritis on Plain Film

Findings: This patient shows the classic location and appearance of supraspinatus tendon calcification found with calcific...

Shoulder: Necrotizing Fasciitis on CXR and CT scanShoulder: Necrotizing Fasciitis on CXR and CT scan

Findings: The CXR shows gas in the soft tissues of the right upper chest wall, i.e. subcutaneous emphysema, overlying the...

Periosteal Reaction: Sunburst in Osteogenic Sarcoma on Plain FilmPeriosteal Reaction: Sunburst in Osteogenic Sarcoma on Plain Film

Findings: There is a lesion in the mid-femoral shaft demonstrating spiculated sunburst periosteal reaction.  ...

Shoulder: Anterior Dislocation with Axillary Artery Occlusion on Plain Film and CTAShoulder: Anterior Dislocation with Axillary Artery Occlusion on Plain Film and CTA

Findings: The plain film demonstrates an anterior dislocation of the humeral head. The CTA scans s/p reduction show...

Shoulder: Grade 2 Acromioclavicular (AC) Joint Separation on Plain FilmShoulder: Grade 2 Acromioclavicular (AC) Joint Separation on Plain Film

Findings: Frontal plain film: The left AC joint shows abnormal widening (normal < 8 mm) and a normal coracoclavicular...

Shoulder: Superior Labrum Anterior to Posterior (SLAP) Tear on MRI ScansShoulder: Superior Labrum Anterior to Posterior (SLAP) Tear on MRI Scans

Findings: The coronal and axial MRI scans following injection of intra-articular contrast show contrast abnormally tracking...

Spinal Metastasis from Breast Cancer on CT Scan and MRISpinal Metastasis from Breast Cancer on CT Scan and MRI

Findings: The CT and MRI demonstrate a destructive lytic lesion in the posterior elements of T5, extending into the spinal...

Periosteal Reaction: Laminated and Disorganized in Chondroblastoma on Plain FilmPeriosteal Reaction: Laminated and Disorganized in Chondroblastoma on Plain Film

Findings: There is a lytic lesion of the humeral head and proximal shaft, which shows partial cartilaginous matrix and...

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Pneumothorax and Pelvic Fracture s/p MVA on CT ScansPneumothorax and Pelvic Fracture s/p MVA on CT Scans

Findings: The axial chest CT demonstrates a pneumothorax anteriorly. The coronal abdominal CT demonstrates a right pelvic...

Shoulder: Anterior Shoulder Dislocation on Plain FilmShoulder: Anterior Shoulder Dislocation on Plain Film

Findings: This patient presents with an anterior dislocation of the humeral head with respect to the glenoid as demonstrated.

Shoulder: Grade 3 Acromioclavicular (AC) Joint Separation on Plain FilmShoulder: Grade 3 Acromioclavicular (AC) Joint Separation on Plain Film

Findings: Frontal plain film: There is abnormal widening of the acromioclavicular distance (normal < 8 mm) and abnormal...

Shoulder: Supraspinatus Tear on MRI ScansShoulder: Supraspinatus Tear on MRI Scans

Findings: The coronal MRI shows a rupture of the supraspinatus tendon from the humerus. There is fluid in the tendon gap...

Spine and Pelvis: Multiple Osteolytic Lesions on Plain FilmsSpine and Pelvis: Multiple Osteolytic Lesions on Plain Films

Findings: These plain films demonstrate multiple osteolytic lesions of the pelvis. There is destruction of a right...

Periosteal Reaction: Laminated in Osteomyelitis on Plain FilmPeriosteal Reaction: Laminated in Osteomyelitis on Plain Film

Findings: There is a laminated (aka onionskin) periosteal reaction in the lateral cortex of the distal femur.  ...

Poland Syndrome on CT ScansPoland Syndrome on CT Scans

Findings: The CT scans from two different patients with Poland syndrome demonstrate the classic aplasia of pectoralis major...

Shoulder: Anterior Shoulder Dislocation on Y ViewShoulder: Anterior Shoulder Dislocation on Y View

Findings: The Y View shows anterior displacement of the humeral head. The center of the humeral head should be in the...

Shoulder: Hydroxyapatite Deposition Disease (HADD) on Plain Film and MRI ScanShoulder: Hydroxyapatite Deposition Disease (HADD) on Plain Film and MRI Scan

Findings: The plain film shows calcification in the region of the supraspinatus tendon. The coronal MRI of the shoulder...

Shoulder: Supraspinatus Tendinopathy on MRI ScansShoulder: Supraspinatus Tendinopathy on MRI Scans

Findings: The MRIs show increased signal in the supraspinatus tendon near its humeral attachment consistent with...

Spine: Advanced Ankylosing Spondylitis (AS) on L-S Spine RadiographsSpine: Advanced Ankylosing Spondylitis (AS) on L-S Spine Radiographs

Findings: This patient demonstrates fusion of both sacroiliac joints compatible with advanced sacroiliitis. There are...

Radius: Giant Cell Tumor on Plain FilmRadius: Giant Cell Tumor on Plain Film

Findings: Usually originates in the metaphysis and extends into the epiphysis, frequently abutting the joint...

Shoulder: Anterior Shoulder Dislocation with Hill-Sachs and Bankart Lesions on MRI ScansShoulder: Anterior Shoulder Dislocation with Hill-Sachs and Bankart Lesions on MRI Scans

Findings: The left image demonstrates a Hill-Sachs deformity of the posterior aspect of the superolateral humeral head. The...

Shoulder: Moderately Severe Osteoarthritis (OA) / Degenerative Joint Disease (DJD) on Plain FilmShoulder: Moderately Severe Osteoarthritis (OA) / Degenerative Joint Disease (DJD) on Plain Film

Findings: This patient shows the classic radiologic features of osteoarthritis of the shoulder: Joint space narrowing,...

Shoulder: Synovial Osteochondromatosis (SOC) on Plain Film and MRIShoulder: Synovial Osteochondromatosis (SOC) on Plain Film and MRI

Findings: The plain film demonstrates multiple similar sized osseous bodies in the superior aspect of the shoulder...

Spine: C4-C5 Perched Facets on Plain Films, CT Scan, and MRISpine: C4-C5 Perched Facets on Plain Films, CT Scan, and MRI

Findings: The plain film shows the facet of C4 perched on the facet of C5 with abnormal anterolisthesis at C4/C5. The...

Spine: Fused Vertebrae with Osteoarthritis on Plain FilmSpine: Fused Vertebrae with Osteoarthritis on Plain Film

Findings: C3-4 is congenitally fused C4-6 are surgically fused. There are osteophytes as labeled.   Discussion:...

Sacrum: Bone Island / Enostosis on CT ScanSacrum: Bone Island / Enostosis on CT Scan

Findings: There is a sclerotic focus with minimally irregular borders in the right sacral ala   Discussion: A bone...

Shoulder: Chondrosarcoma on Plain FilmsShoulder: Chondrosarcoma on Plain Films

Findings: Frontal and lateral views of the scapula show an expansile lesion in the coracoid process of the scapula...

Shoulder: Posterior Shoulder Dislocation on Plain FilmShoulder: Posterior Shoulder Dislocation on Plain Film

Findings: This patient presents with a posterior dislocation of the humeral head with respect to the glenoid as...

Skeleton: Metastases on Radionuclide (RN) Bone ScanSkeleton: Metastases on Radionuclide (RN) Bone Scan

Findings: This patient demonstrates multiple focal areas of increased radiotracer uptake (hot spots) on RN bone scan, which...

Spine: Diffuse Idiopathic Skeletal Hyperostosis (DISH) on Plain Films and CT ScanSpine: Diffuse Idiopathic Skeletal Hyperostosis (DISH) on Plain Films and CT Scan

Findings: There is ossification of the anterior longitudinal ligament (ALL) seen on the lateral view, bridging more than...

Spine: Metastases on Spinal MRI ScanSpine: Metastases on Spinal MRI Scan

Findings: CSF is dark on T1 and bright on T2. This patient presents with abnormal bone marrow signal of T3 to T6...

Sickle Cell Anemia: H-Shaped Vertebra on Plain FilmsSickle Cell Anemia: H-Shaped Vertebra on Plain Films

Findings: The lower thoracic vertebrae demonstrate a loss of central vertebral height, termed H-shaped...

Spine: Compression Fractures due to Metastases on MRI ScansSpine: Compression Fractures due to Metastases on MRI Scans

Findings: CSF is dark on T1 and bright on T2. This patient presents with abnormal bone marrow signal and compression...

Spine: Hyperparathyroidism / Renal Osteodystrophy on Plain FilmSpine: Hyperparathyroidism / Renal Osteodystrophy on Plain Film

Findings: Renal osteodystrophy presents with one of the following triad: Diffuse Osteosclerosis, Secondary...

Spine: Osteosclerotic (Ivory) Vertebra on L-S Spine RadiographsSpine: Osteosclerotic (Ivory) Vertebra on L-S Spine Radiographs

Findings: This patient demonstrates a sclerotic vertebral body of normal size at L2, also termed an ivory vertebra. There is...

Thigh: Malignant Fibrous Histiocytoma on MRI ScansThigh: Malignant Fibrous Histiocytoma on MRI Scans

Findings: There is a well defined mass in the soft tissues of the anterior thigh. The lesion is hypointense to muscle on...

Humerus: Avascular Necrosis (AVN) of the Humeral Head on Plain FilmHumerus: Avascular Necrosis (AVN) of the Humeral Head on Plain Film

Findings: AVN frequently affects the heads of the femur and humerus. Early AVN may present with a crescentic lucency below...

Knee: Aneurysmal Bone Cyst on Plain FilmsKnee: Aneurysmal Bone Cyst on Plain Films

Findings: There is a lucent lesion in the distal femur with well-defined borders.   Discussion: An aneurysmal bone...

Knee: Focal Pigmented Villonodular Synovitis (PVNS) on MRI ScansKnee: Focal Pigmented Villonodular Synovitis (PVNS) on MRI Scans

Findings: The sagittal MRI demonstrates a focal low density lesion in the intercondylar notch. The axial MRI shows that the...

Knee: Osteosarcoma on MRI ScansKnee: Osteosarcoma on MRI Scans

Findings: Sagittal and axial T2 weighted MR images with fat saturation show a large mass centered in the distal femur, with...

Knee: Soft Tissue Calcification on Plain FilmKnee: Soft Tissue Calcification on Plain Film

Findings: The plain film demonstrates an intramuscular calcification presenting as calcareous tumor-like...


 

Periosteal Reaction: Solid in Osteoid Osteoma on Plain Film and CT ScanPeriosteal Reaction: Solid in Osteoid Osteoma on Plain Film and CT Scan

Findings: The distal femur demonstrates solid periosteal thickening. A lucent central nidus is evident on CT...

Periosteal Reaction: Hair-on-End in Osteomyelitis on CT ScanPeriosteal Reaction: Hair-on-End in Osteomyelitis on CT Scan

Findings: There is hair-on-end periosteal reaction along the posterior cortex of the scapula.   Discussion:...

Renal Cell Carcinoma (RCC): Bone Metastases on CT and Radionuclide (RN) ScansRenal Cell Carcinoma (RCC): Bone Metastases on CT and Radionuclide (RN) Scans

Findings: The CT demonstrates a mass with bony destruction of the left third rib. The RN scan shows increased radiotracer...

Shoulder: Chondrosarcoma on CT ScanShoulder: Chondrosarcoma on CT Scan

Findings: The axial CT image of the scapula shows enlargement of the coracoid process by a lesion containing stippled...

Shoulder: Partial- vs. Full-Thickness Supraspinatus Tear on MRI ScansShoulder: Partial- vs. Full-Thickness Supraspinatus Tear on MRI Scans

Findings: Patient 1: normal Patient 2: there is a full-thickness defect of the supraspinatus with 2cm of tendon retraction....

Skeleton: Metastases Causing Superscan on Radionuclide (RN) Bone ScanSkeleton: Metastases Causing Superscan on Radionuclide (RN) Bone Scan

Findings: This patient demonstrates diffusely increased symmetric uptake in all bones. (This is easy to miss.) The kidneys...

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Публикации: 54932
Spine: Compression Fractures due to Metastases on Radionuclide (RN) Bone ScanSpine: Compression Fractures due to Metastases on Radionuclide (RN) Bone Scan

Findings: This patient presents with areas of increased radiotracer uptake (hot spots) in the spine.   Discussion:...

Spine: Intermediate Ankylosing Spondylitis (AS) on L-S Spine RadiographsSpine: Intermediate Ankylosing Spondylitis (AS) on L-S Spine Radiographs

Findings: This patient presents with sacroiliitis. There are multiple symmetric fine syndesmophytes bridging squared...

Spine: Osteosclerotic Pedicle on L-S Spine RadiographsSpine: Osteosclerotic Pedicle on L-S Spine Radiographs

Findings: This patient demonstrates sclerosis of the right L1 pedicle secondary to Hodgkin's lymphoma. There is an unrelated...

Thigh: Pyomyositis on CT ScansThigh: Pyomyositis on CT Scans

Findings: Coronal and axial contrast enhanced CT images of the thigh show a rim-enhancing fluid collection within the vastus...

Knee: Calcium Pyrophosphate Deposition Disease (CPPD) on Plain FilmsKnee: Calcium Pyrophosphate Deposition Disease (CPPD) on Plain Films

Findings: These radiographs show chondrocalcinosis of the knee menisci. There is complete loss of the lateral...

Knee: Malignant Fibrous Histiocytoma on Plain Film and MRI ScansKnee: Malignant Fibrous Histiocytoma on Plain Film and MRI Scans

Findings: Plain Film: The frontal view of the knee shows a lucent region in the proximal tibia abutting the articular...

Knee: Patellar Fracture and Septic Arthritis on Plain FilmKnee: Patellar Fracture and Septic Arthritis on Plain Film

Findings: The presentation views demonstrate an acute fracture of the patella. The follow up view demonstrates generalized...

Leg: Diffuse Osteosclerosis due to Mastocytosis on Plain FilmsLeg: Diffuse Osteosclerosis due to Mastocytosis on Plain Films

Findings: There is diffuse osteosclerosis with loss of coticomedullary differentiation.   Discussion: Diffuse...

Osteogenesis Imperfecta in the Chest and Legs on Plain FilmsOsteogenesis Imperfecta in the Chest and Legs on Plain Films

Findings: There is diffuse osteopenia, fractures, and bowing deformities of many bones. The femur, tibia, and fibula are...

Periosteal Reaction: Hypertrophic Pulmonary Osteoarthropathy due to Lung Cancer on Plain FilmsPeriosteal Reaction: Hypertrophic Pulmonary Osteoarthropathy due to Lung Cancer on Plain Films

Findings: Bilateral femurs: There is symmetric periosteal reaction of the femoral diaphyses with sparing of the epiphyses....

Periosteal Reaction: Sunburst in Osteogenic Sarcoma Complicating Paget’s Disease on Plain Film, CT, and MRI ScansPeriosteal Reaction: Sunburst in Osteogenic Sarcoma Complicating Paget’s Disease on Plain Film, CT, and MRI Scans

Findings: The femoral shaft shows spiculated periosteal reaction in sunburst pattern. There is widespread cortical...

Shoulder: Anterior Dislocation on Plain FilmsShoulder: Anterior Dislocation on Plain Films

Findings: The plain films demonstrate an anteriorly dislocated humeral head with respect to the glenoid fossa There are...

Shoulder: Grade 1 Acromioclavicular (AC) Joint Separation on Plain Film and MRI ScanShoulder: Grade 1 Acromioclavicular (AC) Joint Separation on Plain Film and MRI Scan

Findings: Frontal plain film: The AC joint is normal (normal < 8 mm) and the coracoclavicular distance is normal (normal <...

Shoulder: Posterior Shoulder Dislocation on Y ViewShoulder: Posterior Shoulder Dislocation on Y View

Findings: The Y-View shows posterior displacement of the humeral head in relation to the glenoid (center of “Y”). The...

Skull and Shoulder: Multiple Myeloma on Plain FilmsSkull and Shoulder: Multiple Myeloma on Plain Films

Findings: Lateral Skull: There are multiple large well-defined (“punched out”) lucent lesions throughout the skull. Frontal...

Spine: Disc Herniation on CT MyelogramsSpine: Disc Herniation on CT Myelograms

Findings: This patient presents with a left paracentral disc herniation at L4-5 which compresses the thecal sac and...

Spine: Multiple Myeloma on CT ScanSpine: Multiple Myeloma on CT Scan

Findings: This patient demonstrates a round punched-out osteolytic lesion characteristic of multiple myeloma.  ...

Spine: Rheumatoid Arthritis (RA) on Plain FilmsSpine: Rheumatoid Arthritis (RA) on Plain Films

Findings: This patient demonstrates mobility and marked widening of the joint space between the anterior arch of C1 and the...

Spine: Disc Herniation on Plain Film MyelogramsSpine: Disc Herniation on Plain Film Myelograms

Findings: This patient presents with a left paracentral epidural defect (lucency) at L4-5 effacing the nerve...

Spine: Ossification of the Posterior Longitudinal Ligament (OPLL) on Plain Film and CT ScansSpine: Ossification of the Posterior Longitudinal Ligament (OPLL) on Plain Film and CT Scans

Findings: There is dense ossification of the posterior longitudinal ligament.   Discussion: OPLL can lead to...

Spine: Spinal Stenosis on MRI ScansSpine: Spinal Stenosis on MRI Scans

Findings: This patient presents with marked narrowing of the spinal canal at L4-5. There is significant facet joint...

Tibia: Solitary Exostosis / Osteochondroma on Plain FilmTibia: Solitary Exostosis / Osteochondroma on Plain Film

Findings: This patient demonstrates a solitary exostosis, synonymous with osteochondroma. Exostosis / exostoses may be...

Wrist: Perilunate Dislocation on Plain FilmsWrist: Perilunate Dislocation on Plain Films

Findings: Frontal: the lunate is triangular, termed “piece of pie” appearance. Lateral: the lunate is in relatively normal...

Spine: Disc Herniation on MRI ScansSpine: Disc Herniation on MRI Scans

Findings: This patient presents with a large right paracentral disc extrusion at the L4-5 level, which compresses the right...

Spine: Normal CT MyelogramSpine: Normal CT Myelogram

Findings: Symmetric, smooth contoured, contrast-filled thecal sac surrounding the cauda equina.   Discussion: The...

Spine: Scoliosis on L-S Spine RadiographsSpine: Scoliosis on L-S Spine Radiographs

Findings: This patient presents with marked rotary scoliosis convex to the left, better seen on frontal view. The distortion...

Tibia: Osteosarcoma with Fracture on Plain FilmTibia: Osteosarcoma with Fracture on Plain Film

Findings: Osteosarcoma has a bimodal distribution: 15-25 yo and over 55 yo (in patients with Pagets Disease) Osteosarcoma is...


 

Spine: Osteolytic Lesion and Mass on CT ScanSpine: Osteolytic Lesion and Mass on CT Scan

Findings: This patient demonstrates lytic destruction of the left L1 vertebral body with a sizeable accompanying soft tissue...

Spine: Early Ankylosing Spondylitis (AS) on L-S Spine RadiographsSpine: Early Ankylosing Spondylitis (AS) on L-S Spine Radiographs

Findings: This patient presents with widening of the sacroiliac joints with adjacent sclerosis compatible with...

Spine: Spondylolysis and Spondylolisthesis on L-S Spine RadiographSpine: Spondylolysis and Spondylolisthesis on L-S Spine Radiograph

Findings: This patient demonstrates spondylolysis at L5. There is grade II spondylolisthesis of L5 on S1.  ...

Tibia: Stress Fracture on Plain FilmsTibia: Stress Fracture on Plain Films

Findings: This patient demonstrates a transverse sclerotic band in the distal tibia, compatible with a stress...


 

Spine: Spondylolysis and Spondylolisthesis on L-S Spine RadiographSpine: Spondylolysis and Spondylolisthesis on L-S Spine Radiograph

Findings: This patient presents with a fracture of the L4 pars interarticularis called spondylolysis. There is forward...

Spine: Osteolytic Lesions on CT ScanSpine: Osteolytic Lesions on CT Scan

Findings: This patient demonstrates multiple osteolytic lesions as labeled due to renal cell cancer metastases. The...

Total Hip Replacement: Dislocation of the Femoral Head Prosthesis on Plain FilmTotal Hip Replacement: Dislocation of the Femoral Head Prosthesis on Plain Film

Findings: This patient is S/P bilateral total hip replacements. The head of the right femoral prosthesis is superiorly...


 

Thumb: Gamekeeper's Fracture on Plain FilmThumb: Gamekeeper's Fracture on Plain Film

Findings: There is an avulsion fracture of the ulnar aspect of the base of the 1st proximal phalanx.   Discussion:...

Spine: Reactive Arthritis / Reiters on Plain FilmsSpine: Reactive Arthritis / Reiters on Plain Films

Findings: The plain films demonstrate multiple asymmetric spinal syndesmophytes. There is bilateral sacroiliitis and...

Wrist: De Quervain’s Tenosynovitis on MRI ScanWrist: De Quervain’s Tenosynovitis on MRI Scan

Findings: This patient demonstrates a thickened first extensor compartment with high-signal edema consistent with De...

Ulna: Giant Cell Tumor on Plain FilmUlna: Giant Cell Tumor on Plain Film

Findings: Usually originates in the metaphysis and extends into the epiphysis, frequently abutting the joint...

Wrist: Scapholunate Ligament Tear on MRI and ArthrogramWrist: Scapholunate Ligament Tear on MRI and Arthrogram

Findings: The MRIs show abnormal widening of the distance between the scaphoid and lunate (scapholunate interval). The...

Wrap Rage: Stab Wound to Hand on Plain FilmsWrap Rage: Stab Wound to Hand on Plain Films

Findings: The plain films demonstrate a kitchen knife embedded in the patient’s hand.   Discussion: This patient...

Tibia: Osteosarcoma on Plain FilmsTibia: Osteosarcoma on Plain Films

Findings: Osteosarcoma has a bimodal distribution: 15-25 yo and over 55 yo (in patients with Pagets Disease) Osteosarcoma is...

Wrist: Hook of Hamate Fracture on CT ScansWrist: Hook of Hamate Fracture on CT Scans

Findings: This patient shows a fracture through the hook of the hamate. This fracture is difficult to diagnosis without...

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AVN-femur
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AVN-humerus
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Ischial avulsion
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Blastic met to L3
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Calcified hematoma
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Charcot joint
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Chincona cyst
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Chondrocalcinosis
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Chr venous insuffiency
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Chr venous insuffiency
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Dermatomyocitis
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DJD
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DJD
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Hangmans fx
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Hemophilac arthropathy
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DJD
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Lipohemarthrosis
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Ochronosis
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Ochronosis
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Ossification in scar
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Salter 4
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Smith's Fracture
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Катенёв Валентин Львович аватар
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Публикации: 54932