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OSTEOMYELITIS, OLECRANON PROCESS OF ELBOW

Case 804054
MSK › Infection
old
3 images
Osteomyelitis, olecranon process.
By John Hunter, Radiologist
09/24/2011.
4.0
1 rating

TRIQUETRAL FRACTURE

Case 804149
MSK › Trauma
old
4 images
Triquetral fracture
By John Hunter, Radiologist
09/24/2011.
4.0
1 rating

CHRONIC POSTERIOR SHOULDER DISLOCATION

Case 804394
MSK › Trauma
old
2 images
Posterior shoulder dislocation. This case is interesting in that when first looking at the ap film, the impression might be high riding shoulder secondary to rotator cuff disease. The lateral makes the diagnosis. Since there was no history of trauma, the problem appears to be chronic.
By John Hunter, Radiologist
09/24/2011.
4.0
1 rating

ACCESSORY SOLEUS AND INCIDENTAL PERONEUS QUA…

Case 797247
MSK › Benign Mass, Cyst
old
6 MR images
Accessory soleus and incidental peroneus quartus.
By John Hunter, Radiologist
09/24/2011.
4.0
1 rating

RECURRENT GIANT PLANTAR FIBROMATOSIS

Case 26092430
MSK › Other
20 year old female
10 MR images
Recurrent giant aggressive fibromatosis of foot MRI was done with and without contrast agent . Sagittal T1-weighted MR image showed a large mass, measuring 9.9 x 4.8 cm, with well defined margins adjacent to the plantar muscles in the medial aspect of the foot. There was extensive i … [view case]
By bala chandiran, Radiologist
09/24/2011.
4.0
2 ratings

MONTEGGIA FRACTURE

Case 811934
MSK › Trauma
24 year old male
4 CR images
Monteggia fx Fracture proximal ulnar shaft, dislocation radial head The forearm can act like a ring, and when injured if one part of the ring fails, another part may fail as well: both bone forearm fractures, Monteggia fracture (ulnar shaft, radiocapitellar joint) and Galeazzi fracture (radial shaft, DRUJ).
By John Hunter, Radiologist
09/24/2011.
4.0
2 ratings

65 YEAR OLD MALE WITH HAND PAIN

Case 38858649
MSK › Inflammatory
65 year old male
3 CR images
Scleroderma -Soft tissue calcifications of the 2nd-4th distal phalanges. -2nd and 4th tuft erosions Epidemiology: F:M = 3:1 Usually in 3rd-5th decade Most have increased ESR, 40% have +RF May have coexisting SLE, polymyositis/dermatomyositis (MCTD) Clinical fea … [view case]
By Mickey Chabak, Resident
09/24/2011.
4.0
1 rating

CHILD ELBOW INJURY

Case 8029127
MSK › Trauma
13 year old male
4 CR images
A nondisplaced, slightly angulated fracture of the supracondylar region of the humerus resulting in 30 degrees dorsal angulation.  There is also avulsion of the medial epicondyle with the distal humerus.  Large joint effusion present. Tenderness and mild bony deformity present. Decre … [view case]
By Bertram Newmark, Radiologist
09/24/2011.
4.0
1 rating

NON-OSSIFYING FIBROMA, DISTAL TIBIA

Case 804253
MSK › Trauma
old
2 images
Non-ossifying fibroma. (46.3131, fibrous cortical defect)
By John Hunter, Radiologist
09/24/2011.
4.0
1 rating

FALL WITH KNEE PAIN

Case 884828
MSK › Trauma
23 year old male
3 CR images
Lipohemarthrosis, subtle tibial plateau fracture (intra-articular) and proximal fibular fracture (extra-articular) Lipohemarthrosis, subtle tibial plateau fracture (intra-articular) and proximal fibular fracture (extra-articular) Lipohemarthrosis or fat fluid level indicates an … [view case]
By John Hunter, Radiologist
09/24/2011.
4.5
2 ratings

STRESS FRACTURE, LEFT HIP

Case 796939
MSK › Normal/Variants
old
6 MR images
Stress fracture, left hip
By John Hunter, Radiologist
09/24/2011.
2 comments
4.0
1 rating

SOLITARY BONE CYST WITH PATHOLOGIC FRACTURE

Case 2725554
MSK › Neoplasm
14 year old female
2 images
solitary bone cyst with pathologic fracture Multiloculated lesion of distal tibia-diaphysis; demonstrates pathological fracture SOLITARY BONE CYST = unicameral/ simple bone cyst Age: 3-19 years; occurs during active phase of bone growth; M:F = 3:1 Location: proximal femur … [view case]
2 comments
4.0
1 rating

SALTER HARRIS TYPE I INJURY

Case 49026521
MSK › Trauma
14 year old male
7 images (CR, MR)
Type I Salter Harris Injuries of the distal ulnar and radial physes Radiograph - suggestion of slight radial physeal widening. MRI: Diffuse marrow edema which cross the radial physis as well as increased signal within the physis. Associated periostitis about the distal radial metaphy … [view case]
By Francis Cloran, Resident
09/24/2011.
4.0
2 ratings

PROSTHETIC JOINT INFECTION

Case 7075246
MSK › Infection
64 year old female
4 images (CR, NM)
Prosthetic joint infection Plain film: Right total hip arthroplasty with periprosthetic heteropic ossification without loosening. Three phase bone scan: Three phase positive uptake adjacent to the proximal femoral prosthesis. In-111 WBC and Tc99m SC scan: In-111 WBC uptake adjacent … [view case]
By Jeff Tan, Resident
09/24/2011.
1 comment
4.0
1 rating

CHONDROBLASTOMA, PROXIMAL TIBIA

Case 804603
MSK › Neoplasm
old
2 images
Chondroblastoma, proximal tibia.
By John Hunter, Radiologist
09/24/2011.
4.0
1 rating

OSTEOCHONDROMA, LESSER TROCHANTER

Case 805100
MSK › Neoplasm
old
1 image
Osteochondroma, right lesser trochanter.
By John Hunter, Radiologist
09/24/2011.
1 comment
4.0
1 rating

GIANT CELL TUMORS ARISING IN EPIPHYSEAL EQUI…

Case 804659
MSK › Neoplasm
old
2 images
Giant cell tumors arising in epiphyseal equivalents.
By John Hunter, Radiologist
09/24/2011.
2 comments
4.0
1 rating

CHONDROSARCOMA, PROXIMAL RADIUS

Case 801161
MSK › Neoplasm
old
6 images
Chondrosarcoma, proximal radius. Plain films show an expansile lesion. The MR shows cortical destruction and soft tissue extension.
By John Hunter, Radiologist
09/24/2011.
4.0
1 rating

PRESUMED PAGET DISEASE

Case 801616
MSK › Neoplasm
old
4 images
Presumed Paget disease The findings were certainly not typical for metastatic disease. If you look carefully, you can see an interface in the mid humerus that looks like the "flame shaped" or "blade of grass" interface seen in the lytic phase of Paget disea … [view case]
By John Hunter, Radiologist
09/24/2011.
4.0
1 rating

OSTEOID OSTEOMA

Case 804274
MSK › Neoplasm
old
4 images
Osteoid osteoma This case is somewhat unusual in that the central lucency has a calcification within. Differential diagnosis should include surface lesions such as periosteal chondroma, hemangioma, etc. as well as indolent infection from direct penetrating injury (? sequestrum in the lucent region). This case was path proven.
By John Hunter, Radiologist
09/24/2011.
4.5
2 ratings

POSSIBLE PAGET DISEASE PLUS PROSTATE METASTA…

Case 802502
MSK › Neoplasm
old
7 images
Path results pending! Findings in the right pelvis on the plain films suggest Paget disease. A recent biopsy suggested Paget disease plus prostate metastasis. The CT looks like malignant transformation of Paget to osteosarcoma. Hopefully, new biopsy material will sort this out.
By John Hunter, Radiologist
09/24/2011.
4.0
1 rating

PRIMARY FOLLICULAR LYMPHOMA OF PROXIMAL HUME…

Case 32194844
MSK › Neoplasm
60 year old male
1 CR image
Follicular lymphoma, primary to proximal humerus Ill-defined lytic lesion of proximal metaphysis, extending up into greater tuberosity and humeral head, with loss of part of lateral cortex of metaphysis. Also has glenohumeral osteoarthritis.
By Michael Richardson, Radiologist
09/24/2011.
4.0
2 ratings

EWINGS SARCOMA WITH PATHOLOGIC FRACTURE, LEF…

Case 801181
MSK › Neoplasm
old
3 images
Ewings sarcoma with pathologic fracture.
By John Hunter, Radiologist
09/24/2011.
1 comment
4.5
2 ratings

BREAST CANCER WITH MULTIPLE LYTIC METASTASE…

Case 3392700
MSK › Neoplasm
32 year old female
4 CR images
Metastatic breast cancer. CXR (Fig 1.) 1. Lytic lesions - lateral aspect left third rib - just below right glenoid 2. Low volume lungs due to hepatomegaly 3. Possible early interstitial pattern in lungs suggesting lymphangitis carcinomatosa 4. ECG electrodes AXR & Pelvis (F … [view case]
By alex maclennan, Radiologist
09/24/2011.
4.0
1 rating

STERNAL AND SPINAL METASTASES OF PROSTATE CA…

Case 37353
MSK › Neoplasm
56 year old male
10 images (CT, MR)
STERNAL AND VERTEBRAL METASTASES OF A PROSTATE CANCER
By Nelson Darío Luraguiz, Radiologist
09/24/2011.
4.0
1 rating

SOLITARY BONE CYST

Case 1828728
MSK › Neoplasm
old male
1 image
Solitary bone cyst Characteristic Calcaneal Cyst: - lucent defect (well defined) occurs in base of calcaneal neck just inferior to the anterior portion of the posterior facet - straight vertical anterior margin, curvilinear posterior margin - no periostitis - infre … [view case]
2 comments
4.0
1 rating

EWING'S SARCOMA

Case 2721909
MSK › Neoplasm
old female
2 images
Ewing's Sarcoma X-ray findings: complete lytic destruction of the right femoral proximal shaft, trochanter neck, and part of the head without evidence of periosteal reaction. Huge associated soft tissue mass. No matrix. Very aggressive lesion. Age 4-25 YO white SX: severe p … [view case]
4.0
1 rating

PRESUMED SYNOVIAL OSTEOCHONDROMATOSIS

Case 792787
MSK › Neoplasm
old
6 MR images
Presumed synovial osteochondromatosis. Unfortunately, no plain films are available as of the date of posting this case.
By John Hunter, Radiologist
09/24/2011.
4.0
1 rating

ENOSTOSIS, GIANT HUMERAL

Case 62742
MSK › Neoplasm
old
9 images (CR, MR)
By Eric Lee, Radiologist
09/24/2011.
4.0
1 rating

OSTEOSARCOMA

Case 4172660
MSK › Neoplasm
15 year old male
1 CR image
OSTEOSARCOMA XR: extesnive periostial reaction, codman triangle and litic lesions. Occurs in the metaphyses of long bones Commonest sites are around the knee or proximal humerus Destroys bone and spreads into the surrounding tissue Rapidly metastasizes to the lung … [view case]
By Rolando Reyna, Radiologist
09/24/2011.
4.0
1 rating

FIBROSARCOMA

Case 860688
MSK › Neoplasm
old
15 MR images
FIBROSARCOMA Most commonly seen from ages 40 and up, affecting men and women equally. Can be found in any long bone, but is often seen at the distal ends, especially around the knee. Fibrosarcomas are found as complications to Paget's disease, and may also occur after irradi … [view case]
4.0
1 rating

NEUROFIBROMAS IN LEFT UPPER EXTREMITY: NEURO…

Case 1206871
MSK › Neoplasm
21 year old female
3 MR images
Neurolemoma High SI masses with bright rim and lower intensity center ("target sign") consistent with neurolemoma in a patient with NF.
By John Hunter, Radiologist
09/24/2011.
4.0
1 rating

MALIGNANT FIBROUS HISTIOCYTOMA OF ILIUM

Case 22507684
MSK › Neoplasm
61 year old female
12 CT images
Malignant fibrous histiocytoma of ilium C.T. scan plain showed a well defined soft tissue mass 8.2 x 7.9 cms. involving the the right ilium.The part of the ilium involved was totally destroyed,involving the cortex.medulla ,with no calcification.periosteal reaction.There was pathologi … [view case]
By bala chandiran, Radiologist
09/24/2011.
4.5
2 ratings

OSTEOSARCOMA

Case 43695197
MSK › Neoplasm
6 year old male
7 images (CR, MR)
Osteosarcoma
By Hari Challa, Radiologist
09/24/2011.
4.0
1 rating

CONVENTIONAL OSTEOSARCOMA

Case 47278355
MSK › Neoplasm
14 year old
13 images (CR, MR, NM)
Conventional High-grade Osteosarcoma 1. Bone scan - intense focal uptake right proximal tibial metaphysis and epiphysis 2. Right Tibia/Fibula Series - Ill-defined, geographic sclerosis with indistinct margins with proximal sunburst periosteal reaction and distal Codman's triangle … [view case]
By Francis Cloran, Resident
09/24/2011.
1 comment
4.0
1 rating

EWINGS PROXIMAL HUMERUS

Case 3958210
MSK › Neoplasm
old
10 images (CT, CR, MR)
Ewings
By Jared Chugg, Resident
09/24/2011.
4.0
1 rating

PELVIC LESION

Case 5328164
MSK › Neoplasm
old
1 CR image
fibrosarcoma of inferior pubic ramus DDx: Osteolytic osteosarcoma Chondrosarcoma ABC Malignant Giant Cell Complete lytic destruction of right inferior pubic ramus with involvement of inferior acetabulum. Wide zone of transition with no evidence of matrix. Very aggressive appearance … [view case]
4.0
1 rating

OSTEOBLASTOMA

Case 5317324
MSK › Neoplasm
22 year old male
5 images (CT, MR, NM)
osteoblastoma Bone scan - very hot lesion right L2 MRI - well defined bone mass right anterior to posterior elements associated with signal decrease in transverse process, pedicle, facet joint and spinous process on T1 and increase signal in same areas on T2 weighted images. There i … [view case]
4.0
1 rating

BILATERAL GENU VARA - ST

Case 8773194
MSK › Congenital
2 year old female
1 CR image
Bilateral bow-ledggedness/genu varus deformity. Introduction: Lower-extremity bowing is a common concern in infants and children.  It is often seen physiologically and resolves by three years of age.  If the condition persists beyond three years of age and/or the medial ti … [view case]
1 comment
4.0
1 rating

SPINOGLENOID NOTCH CYSTS

Case 300613
MSK › Benign Mass, Cyst
34 year old female
4 MR images
Spinoglenoid notch cyst. Infraspinatus myopathy. Spinoglenoid notch cyst Infraspinatus myopathy.
By Eric Lee, Radiologist
09/24/2011.
1 comment
4.0
2 ratings

HIP PAIN, POSTERIOR

Case 524075
MSK › Trauma
old
9 MR images
Gluteus medius and piriformis muscle strains.
By Dean Thornton, Radiologist
09/24/2011.
4.0
2 ratings

MULTIPLE OSTEOCHONDROMATOSIS

Case 10418892
MSK › Neoplasm
13 year 1 month old male
2 CR images
Multiple osteochondromatosis Multiple flaired osseous protuberences centered at the metaphysis pointing away from the joint. Osteochondroma (Bone Tumor)   Osteochondromas occur as solitary osteochondroma (osteocartilaginous exostosis) or multiple osteochondromatosis. Thes … [view case]
09/24/2011.
1 comment
4.0
1 rating

HIP PAIN

Case 7352509
MSK › Trauma
15 year old male
5 CR images
Slipped capital femoral epiphysis.
By Dean Thornton, Radiologist
09/24/2011.
4.0
2 ratings

PARAMENISCAL CYST

Case 5355995
MSK › Trauma
33 year old female
4 MR images
Complex tear body of lateral meniscus with a parameniscal cyst Coronal fat saturation T2 images show a complex tear of the body of the lateral meniscus, reaching the inferior articular surface.  Fluid has been expressed from the meniscus into the adjacent soft tissues, resulting in … [view case]
4.0
2 ratings

TRANSIENT LATERAL DISLOCATION OF THE PATELLA

Case 16973342
MSK › Trauma
35 year old female
2 MR images
Transient lateral dislocation of the patella Sagittal proton density fast spin-echo, fat-suppressed images through the left knee demonstrate bone marrow edema within the lateral femoral condyle anteriorly. A joint effusion and surrounding soft tissue edema are also present. … [view case]
1 comment
4.0
2 ratings

INCIDENTAL OSTEOCHONDROMATOSIS

Case 36628099
MSK › Other
59 year old female
4 CT images
Osteochondromatosis Incidental note was made of mulitple rounded ossified bodies inferior to the left shoulder joint. 
By Bryon Thomson, Resident
09/24/2011.
4.0
2 ratings

Case 36264505

MSK › Other
9 year old female
2 CR images
Chronic active periosteitis secondary to lick granuloma (acral lick dermatitis).  No inciting agents were evident in soft tissue biopsies. The radius and metacarpals 2, 4, and 5 all show a similar thin solid to mildly palisade periosteal new bone formation on the diaphyses.  The medi … [view case]
By Elizabeth Riedesel, Radiologist
09/24/2011.
4.0
2 ratings

SACROILIATIS

Case 623767
MSK › Inflammatory
old
2 CR images
Findings suggestive of sero negative spondyloarthropathy. Most likely Reiter's Syndrome. Diffuse sclerotic margins around both Sacroiliac joints, R>L. Triad of Anterior Uveitis, Urethritis and arthritis. Cant see, can't pee, and can't climb a tree. More common in males. … [view case]
By J P, Radiologist
09/24/2011.
4.0
2 ratings

WEDGE FRACTURE ON 38 Y/O XR LUMBAR SPINE

Case 3392566
MSK › Trauma
34 year old female
1 CR image
Wedge fracture 1. Wedge fracture of TV12 Unusual injury as wedge fractures should occur from flexion or axial loading not extension injuries.
By alex maclennan, Radiologist
09/24/2011.
4.0
2 ratings

MILWAUKEE SYNDROME

Case 1882468
MSK › Inflammatory
old male
4 images (CR, MR)
Milwaukee Syndrome. Plain Radiograph: Homogenous calcification withint the supraspinatous tendon. MR: Low T1 and Low T2 compatible with calcium Increased fluid in the subdeltoid bursa, likely from bursitis. Calcium hydroxyapatite crystal deposition disease, a disorder chara … [view case]
By J P, Radiologist
09/24/2011.
4.0
2 ratings