Enchondroma - first metacarpal

Case contributed by Dr Bahman Rasuli


Thumb pain and swelling.

Patient Data

Age: 30 years
Gender: Female

There is an expansile, lytic lesion of the first metacarpal containing amorphous matrix calcifications

There is no pathologic fracture.


A high T2 signal medullary cavity lesion measuring about 17*36 mm that expands the body and base of the first metacarpal

A few signal void foci are seen within the lesion due to calcification.

Cortical destruction, periosteal reaction as well as soft tissue components are not seen.

Case Discussion

Features are typical of a low-grade chondral lesion, almost certainly an enchondroma. 

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Case information

rID: 78921
Published: 15th Jun 2020
Last edited: 16th Jun 2020
Inclusion in quiz mode: Included
Institution: Jame Jam Imaging Center

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