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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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