Secondary malignant giant-cell tumor of bone

Abstract

Malignancy in giant cell tumor of bone (MGCTB) is extremely rare condition. We reported a case of 45 year female, with gradually increasing swelling over left wrist of 6 months. She was known case of giant cell tumor (GCT) of left radius operated 20 months back. Now on Magnetic Resonance Imaging (MRI) scan showed well defined mass lesion at distal end of forearm suggestive of recurrence of GCT. The excision of mass was done. On histopatholgical examination reported as secondary malignant GCT. We are presenting this case for its clinical, radiological and histopathological findings.