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GOUT

Case 39107
MSK › Inflammatory
34 year old male
2 CR images
Gout arthropathy There is soft tissue swelling over the right second and third and left fifth DIP joints. Erosions are present along the medial aspect of the right second and third and left fifth DIP joints as well as at the base of the left third middle phalanx. There is a bony fragmen … [view case]
By Jeffrey Kanne, Radiologist
09/24/2011.
3.0
1 rating

ELBOW INJURY

Case 8028820
MSK › Trauma
old female
4 CR images
Longitudinal fracture through the lateral aspect of the radial head, with minimal depression.  No other fracture or dislocation is seen. Trauma to R elbow.  Presents to ER. History of the Procedure: Radial head and neck fractures and dislocations have been treated by closed an … [view case]
By Bertram Newmark, Radiologist
09/24/2011.
3.0
1 rating

FRACTURE PROXIMAL HUMERUS ON 5 Y/O XR SHOULD…

Case 11943309
MSK › Trauma
5 year old female
2 CR images
Transverse fracture of proximal humerus Transverse fracture of proximal humerus
By alex maclennan, Radiologist
09/24/2011.
3.0
1 rating

ENCHONDROMA OF HAND

Case 10636936
MSK › Neoplasm
52 year old male
4 images (CR, MR)
ENCHONDROMA Se aprecia lesión ovalada, que compromete el tercio medio de la falange proximal del 1 dedo. es hipointensa en T1 e hiperintensa en T2 y STIR, que realza de forma homogenea con el contraste. No hay ruptura de la cortical, ni masa de tejidos blandos.
By DIEGO HERNAN LLANOS, Radiologist
09/24/2011.
1 comment
3.0
1 rating

SYNOVIAL OSTEOCHONDROMATOSIS, SHOULDER

Case 804983
MSK › Neoplasm
old
1 image
Synovial osteochondromatosis.
By John Hunter, Radiologist
09/24/2011.
3.0
1 rating

SKELETAL DYSPLASIA

Case 834824
MSK › Neoplasm
old
1 image
Based on these findings, one should realize that one is dealing with a skeletal dysplasia. The major abnormality here is the presence of diffuse skeletal sclerosis. Although there are jillions of different skeletal dysplasias, most of them are fairly rare. However, some dyspl … [view case]
By Michael Richardson, Radiologist
09/24/2011.
1 comment
3.0
1 rating

CHONDROSARCOMA, RIGHT TRANSVERSE PROCESS OF …

Case 801939
MSK › Neoplasm
old
2 images
Chondrosarcoma, right transverse process of L1.
By John Hunter, Radiologist
09/24/2011.
3.0
1 rating

OSTEOSARCOMA WITH LUNG METS

Case 3959553
MSK › Neoplasm
old
12 images (CT, CR, MR)
By Jared Chugg, Resident
09/24/2011.
3.0
1 rating

OSTEOSARCOMA

Case 6454697
MSK › Neoplasm
8 year old male
17 images (CT, CR, MR, NM, Path)
3.0
1 rating

OSTEOGENESIS IMPERFECTA

Case 1828675
MSK › Congenital
old male
2 images
osteogenesis imperfecta • Osteopenia • Long gracile femoral diaphyses • Transverse fracture mid femoral diaphysis • Mild bowing abnormality present OSTEOGENESIS IMPERFECTA • Inherited disorder of connective tissue -> skeleton, ligaments, skin, sclera, dentin • Fo … [view case]
3.0
1 rating

SPRENGEL'S DEFORMITY, OMOVERTEBRAL BONE

Case 3604599
MSK › Congenital
old
2 CR images
Sprengel's deformity with omo-vertebral bone. Observe the upward course of the right clavicle as it extends laterally, compared to the left. Elevation of the right scapula is evident. In addition, an anomalous bone is present, extending from the right side of C7 to the medial border o … [view case]
By Greg Rogalski, Radiologist
09/24/2011.
3.0
1 rating

THALASSEMIA MAYOR (COOLEY' DISEASE)

Case 4187891
MSK › Congenital
16 year old male
7 images
By Julio Loureiro, Radiologist
09/24/2011.
1 comment
3.0
2 ratings

MELORHEOSTOSIS

Case 8469325
MSK › Congenital
old
5 CT images
Melorrheostosis This disease was described by Leri and Joanny in 1922. It is a rare, non-hereditary lesion that affects both sexes. It is usually apparent in early childhood and even in the first few days of life. About 50% of persons affected will develop the symptoms by 20 … [view case]
By nighthawk radiology, Radiologist
09/24/2011.
3.0
2 ratings

ANTERIOR TIBIAL FRACTURE, PCL (ORIGIN) AVULS…

Case 798558
MSK › Trauma
old
9 MR images
Anterior tibial fracture, PCL (origin) avulsion, posterolateral corner injury. With regard to the latter diagnosis, note the hemorrahge into the popliteus muscle and the disruption of the popliteus tendon.
By John Hunter, Radiologist
09/24/2011.
3.0
2 ratings

BUCKSHOT ON 22 Y/O XR LEG

Case 3650012
MSK › Trauma
22 year old male
4 CR images
shotgun injury 1. multiple metallic foreign bodies
By alex maclennan, Radiologist
09/24/2011.
3.0
2 ratings

LONGITUDINAL SPLIT TEAR, PERONEUS BREVIS TEN…

Case 796050
MSK › Trauma
old
1 MR image
Longitudinal split tear, peroneus brevis tendon. Notice how there appears to be three lateral tendons on the left, compared to the right. The two pieces of the p.brevis are on either side of the p.longus tendon creating this appearance.
By John Hunter, Radiologist
09/24/2011.
3.0
2 ratings

OCCULT STRESS FRACTURE, LEFT FEMORAL NECK

Case 801015
MSK › Trauma
old
6 images
Occult stress fracture, left femoral neck. Note the sclerotic band across the left femoral neck on the study from 12/30/99, representing the healing process of the fracture, not seen on earlier study.
By John Hunter, Radiologist
09/24/2011.
3.0
2 ratings

ADVANCED OA AND CPPD DEPOSITION DISEASE, HAN…

Case 802830
MSK › Inflammatory
old
2 images
Advanced OA and CPPD deposition disease
By John Hunter, Radiologist
09/24/2011.
2 comments
3.0
3 ratings

ANKYLOSING SPONDYLITIS C- AND L-SPINE, SI JO…

Case 803771
MSK › Inflammatory
old
3 images
Ankylosing spondylitis Note fusion of the SI joints as well as cervical facet joints, "bamboo spine" appearance of fine syndesmophytes in the cervical spine, and the anterior longitudinal ligament ossification and "shiny corners" of the lumbar spine. Note the erosions at C1-C2 on the coronal reconstructed image from the CT.
By John Hunter, Radiologist
09/24/2011.
3.3
3 ratings

CHANCE FRACTURE, L-4

Case 805203
MSK › Trauma
old
2 images
Chance fracture L4. These usually occur in rear seat passengers with lap belts. The horizontal fracture with splitting of the pedicles is characteristic. Small bowel injuries are frequently associated.
By John Hunter, Radiologist
09/24/2011.
3 comments
3.0
2 ratings

CERVICAL RIB

Case 19560981
MSK › Normal/Variants
63 year old female
3 CT images
Right Cervical Rib Motor and Sensory functions over ulnar,radial and median nerve distribution is normal. A cervical rib  occurs in 0.5% of subjects and is bilateral in half of these. It is attached to the transverse process of the 7th cervical vertebra and articulates wit … [view case]
By BENOY STARLY, Resident
09/24/2011.
1 comment
3.0
2 ratings

Case 811483

MSK › Trauma
1 month old male
2 CR images
Bucket handle (metaphyseal) fracture, proximal tibia. Findings are highly suggestive of non accidental trauma. There is a bucket handle fracture of the proximal tibia. In the United States, roughly one of every 100 children is subjected to some form of neglect or abuse; inflic … [view case]
By Stephen Christian, Radiologist
09/24/2011.
3.0
2 ratings

17 YO WITH RIGHT LEG PAIN

Case 7936112
MSK › Neoplasm
17 year old
2 images (CR, MR, Path)
Osteosarcoma. Plain films:  Lytic lesion in the distal femoral metadiaphysis with wide zone of transition and soft tissue involvement. MR:  Post contrast images demonstrate enhancing mass in the distal femoral metadiaphysis with cortical destruction and large soft tissue component.
By Luke Stall, Resident
09/24/2011.
3.0
2 ratings

PIGMENTED VILLONODULAR SYNOVITIS

Case 799002
MSK › Neoplasm
old
6 MR images
Pigmented villonodular synovitis (PVNS)
By John Hunter, Radiologist
09/24/2011.
1 comment
3.0
2 ratings

PRACTICE QUESTIONS: CASE 4

Case 21155707
MSK › Neoplasm
65 year old male
1 CR image
By Neil Inns, Educator
09/24/2011.
1 comment
3.0
2 ratings

EPITHELIOID HEMANGIOMA OF RIGHT CALCANEUS

Case 32494727
MSK › Neoplasm
52 year old male
5 images (CT, CR, MR)
The usual DDx was not of much help here. 1. lucent lesion in calcaneal tuberosity with sclerotic margin 2. increased T2 signal in lesion 3. S/P curettage and bone grafting with evidence of incorporation of bone graft material on CT Plain radiograph 3 months S/P curettage a … [view case]
By Michael Richardson, Radiologist
09/24/2011.
3.0
2 ratings

FIBROUS DYSPLASIA

Case 804619
MSK › Neoplasm
old
2 images
Fibrous dysplasia.
By John Hunter, Radiologist
09/24/2011.
3.0
4 ratings

HEMANGIOMA, DISTAL PHALYNX OF THUMB

Case 805255
MSK › Neoplasm
old
2 images
Hemangioma of bone.
By John Hunter, Radiologist
09/24/2011.
3.2
4 ratings

HIP PAIN

Case 7486045
MSK › Infection
13 year old male
19 images (CT, CR, MR)
Osteomyelitis of the right acetabulum
By Dean Thornton, Radiologist
09/24/2011.
3.0
3 ratings

MAISONNEUVE FRACTURE

Case 25361554
MSK › Trauma
30 year old
1 CR image
By Nick Pang, Radiologist
09/24/2011.
1 comment
3.3
3 ratings

INTRATHORACIC OSTEOCHONDROMA

Case 442432
MSK › Benign Mass, Cyst
16 year old male
13 images (CT, CR)
Intrathoracic osteochondroma CXR - nodular opacity at the anterior aspect of the right lung base with eccentric calcification and possible internal lucencies CT/Reconstruction - well-circumscribed, partially ossified/ calcified nodule along the posterior/basal portion of the right low … [view case]
By Safwan Halabi, Radiologist
09/24/2011.
3.8
4 ratings

PATELLA DISLOCATION

Case 103257
MSK › Trauma
old
5 images (CR, MR)
Lateral patellar dislocation
By Eric Lee, Radiologist
09/24/2011.
3.7
3 ratings

LANGERHANS HISTIOCYTOSIS

Case 3934487
MSK › Inflammatory
1 year 7 month old male
17 images (CT, CR, MR)
Multifocal skeletal Langerhans cell histiocytosis with bone marrow involvement. Chest x-ray -expansile lytic lesion of right 6th rib. Skull x-rays -multiple lytic lesions.  Largest 3.6cm by 2.3cm in anterior right parietal bone. Brain MRI with/without contrast -right and left pariet … [view case]
3.5
2 ratings

RENAL OSTEODYSTROPHY WITH SECONDARY HYPERPAR…

Case 804744
MSK › Infection
old
3 images
Renal osteodystrophy with hyperparathyroidism.
By John Hunter, Radiologist
09/24/2011.
3.3
3 ratings

HIP PAIN, LATERAL

Case 1758632
MSK › Inflammatory
old
2 MR images
Trochanteric bursitis.
By Dean Thornton, Radiologist
09/24/2011.
3.5
2 ratings

PROXIMA FEMUR TUMOR

Case 11043631
MSK › Other
18 year old female
5 CR images
By Luy Lyda, Radiologist
09/24/2011.
5 comments
3.5
2 ratings

GRADE III AC JOINT SEPARATION / PARALABRAL C…

Case 17080401
MSK › Trauma
30 year old male
20 images (CR, MR)
By RAD DEPT, Radiologist
09/24/2011.
2 comments
3.5
2 ratings

ENCHONDROMA, PROXIMAL TIBIA

Case 5550377
MSK › Benign Mass, Cyst
55 year old female
5 images (CR, MR, NM)
Enchondroma Fig. 1: Total Body Bone Scan shows a focal area of ovoid increased activity involving the proximal tibia. Fig. 2 and 3: AP and Lateral radiographs of the proximal tibia show a subtle area of mixed lysis and sclerosis.  The area of lysis is ovoid in appearance.  The sclero … [view case]
3.5
2 ratings

OSTEOCHONDRITIS DESSICANS

Case 7510213
MSK › Other
20 year old male
1 CR image
Osteochondritis Dessicans Osteochondral segment in the lateral aspect of medial femoral condyle with thin surrounding lucency. Usually younger patients (10-20 years) with males affected more frequently than females.  Only 50 % of patients have a specific history of trauma.  S … [view case]
By rick bentley, Resident
09/24/2011.
3.5
2 ratings

KLIPPEL-FEIL SYNDROME WITH SPRENGEL DEFORMITY

Case 12030622
MSK › Other
old
1 image
25-year old man with multiple block vertebrae throughout lower cervical spine (C4-C7). The facet joints are fused. Fused bodies appear hypoplastic with reduced AP diameter. Anterior concavity noted at C4 giving a wasp-waist appearance. Intervertebral discs are hypoplastic. … [view case]
By Edited by Dr Laughlin Dawes, Radiologist
09/24/2011.
4.0
3 ratings

BILATERAL SACROILIITIS

Case 4405918
MSK › Inflammatory
26 year old female
1 CR image
Sacroiliitis, bilateral; in pt with HLA-B27 / ankylosing spondylitis. ANA: spiculated 1:20 CRP: 46 RF: neg HLA-B27: positive Pelvic film: Bilateral symmetrical sacroiliitis with slight irregular widening of the joint space suggesting underlying cartilaginous destruction. Ank … [view case]
3.5
2 ratings

ANKLE PAIN, LATERAL

Case 7352411
MSK › Inflammatory
old
8 MR images
Peroneal tenosynovitis
By Dean Thornton, Radiologist
09/24/2011.
3.5
2 ratings

SPRENGEL DEFORMITY

Case 2695630
MSK › Congenital
old female
2 images
sprengel deformity • Elevated left scapula • Omovertebral bone • Fusion of lower cervical segments SPRENGEL DEFORMITY • Failure of decent of scapula secondary to fibrous/osseous omovertebral connection (elevation and medial rotation) • Associated - Klippel-Feil Syndrom … [view case]
3.5
2 ratings

CHONDROMALACIA PATELLAE

Case 12240485
MSK › Inflammatory
71 year old
2 MR images
CHONDROMALACIA PATELLAE GRADE IV Perdida del cartílago articular, en el aspecto lateral de la patela, por condromalacia. Se encuentra zona hiperintensa en el vértice de la patela, que corresponde a lesión osteocondral. Lost articular cartilage, the lateral aspect of the patela, for … [view case]
By DIEGO HERNAN LLANOS, Radiologist
09/24/2011.
3.5
2 ratings

OSTEOGENESIS IMPERFECTA WITH LEFT FEMORAL NE…

Case 32494646
MSK › Congenital
53 year old male
3 CR images
Osteogenesis imperfecta with acute left femoral neck fracture. 1. Old, healed fracture of right femur 2. acute subcapital fracture of left proximal femur 3. bowing of right femur 4. diffuse osteopenia 5. bilateral coxa vara
By Michael Richardson, Radiologist
09/24/2011.
4.0
3 ratings

OSTEOMYELITIS OF THE FOOT

Case 34396862
MSK › Infection
52 year old male
3 CR images
Osteomyelitis of the right 5th metatarsal head Soft tissue gas adjacent to the fifth MTP joint, with areas of lucency and cortical disruption involving the head of the fifth metatarsal and the adjacent lateral base of the fifth proximal phalanx comaptible with osteomyelitis. In addit … [view case]
By Bryon Thomson, Resident
09/24/2011.
3.5
2 ratings

COCCIDIOMYCOSIS OF THE 2ND METACARPAL WITH C…

Case 800968
MSK › Infection
old
3 images
Coccidiomycosis of the 2nd metacarpal with cocci meningitis (disseminated cocci). Also review Case 91
By John Hunter, Radiologist
09/24/2011.
3.5
2 ratings

TOPHACEOUS GOUT IN A 64 Y/O WOMAN

Case 802146
MSK › Inflammatory
old
2 images
Tophaceous gout Uncommon in women relative to men, except in postmenopausal females taking diuretics.
By John Hunter, Radiologist
09/24/2011.
3.5
2 ratings

DERMATOMYOSITIS

Case 802190
MSK › Inflammatory
old
3 images
Dermatomyositis
By John Hunter, Radiologist
09/24/2011.
3.5
2 ratings

RICKETS

Case 834779
MSK › Metabolic
old
2 images
The radiograph of both legs demonstrates bowing deformities of both legs, and the detailed view of the right knee shows widening of the metaphyses with ragged, "frayed" margins. What is rickets, anyway? Basically, it's osteomalacia in a child. If one of the many … [view case]
By Michael Richardson, Radiologist
09/24/2011.
3.5
2 ratings