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Giant cell tumor of bone

Case contributed by Nauman Akram
Diagnosis almost certain

Presentation

Pain and swelling of the right wrist and distal forearm.

Patient Data

Age: 30 years
Gender: Male
x-ray

There is a subarticular lytic expansile lesion of the distal ulna in epiphysis and metaphysis with internal septations giving a 'bubbly' appearance. There is a periosteal reaction at the junctional zone suggesting the aggressive nature of the lesion. 

Case Discussion

The subarticular location of this expansile lesion in a patient with a fused skeleton is most in keeping with a giant cell tumor.

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