Giant cell tumor of right thumb: a rare case report.

Giant cell tumour of soft tissue (GCT-ST) resembling osseous giant cell tumour is a distinct and uncommon entity. Here we present a 58 year old woman with a 1 year history of swelling located on the base of right thumb diagnosed on histology as giant cell tumour of soft tissue. The surgeon should keep a differential diagnosis as GCT-ST for any swelling of the finger.