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

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

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

Ewing Sarcoma with Metastases on CT Scans Ewing Sarcoma with Metastases on CT Scans

Findings: There is a large calcium containing mass centered in the right iliac bone. There is irregularity to both sides of...

Ewing Sarcoma with Metastases on MRI Scans Ewing 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...

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

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

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

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

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

Femur: Osteosarcoma on Plain Film Femur: Osteosarcoma on Plain Film

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

Foot: Intraosseous Lipoma on MRI Scan Foot: 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.

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

 
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