Myxoid chondrosarcoma

Case contributed by Saqba Farooq
Diagnosis almost certain

Presentation

Right hip pain.

Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.

x-ray

Relatively well-defined area of lucency (with somewhat hazy lateral border) in the upper aspect of the right acetabulum. No obvious calcification within. No septation. The abnormality does not have a sclerotic border. No definite cortical breach. 

ct

The lesion is better seen on this coronal CT. No definite cortical breach or periosteal reaction. The superolateral aspect of the lesion shows a chondroid pattern of calcification. 

mri

The lesion is of high signal on T2, low on T1 and shows heterogenous contrast enhancement. 

Case Discussion

Pathology confirmed myxoid chondrosarcoma

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