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...

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

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

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

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

Axilla: Peripheral Nerve Sheath Tumor on MRI Axilla: Peripheral Nerve Sheath Tumor on MRI

Findings: There is a well-circumscribed mass adjacent to the axillary neurovascular bundle that is T2 hyperintense, T1...

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

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

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

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

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...

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

 
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