Fibro-osseous pseudotumor of the digit is a rare benign ossifying fibro-proliferative lesion. The current case is about a 32 years old man who presented with a smooth soft tissue swelling on the distal part left thumb. Excision biopsy was performed and the histopathology depicted a circumscribed soft tissue swelling composed of randomly arranged plump fibroblasts with foci of bony trabeculae lined by osteoblasts. A fragment of cartilage and evidence of enchondral ossification was also present.
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