Giant cell tumor - distal radius

Case contributed by Matt A. Morgan
Diagnosis certain


Left wrist pain

Patient Data

Age: 20 years
Gender: Female

Left wrist radiographs


A well-defined expansile, eccentric, lucent lesion with internal septation in the radial epiphysis, extending to the metaphysis and abutting the cortex.

One year later


The expansile lytic lesion has increased in size and now extends through the entire radius. The lesion has the characteristic appearance of a giant cell tumor but the expansile portion has grown considerably since the prior study and may represent a secondary aneurysmal bone cyst arising in the giant cell tumor.

Case Discussion

On resection this was found to be a giant cell tumor of bone, extending to subchondral region and eroding through the cortex into surrounding soft tissues.

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