Cytopathological diagnosis of Giant Cell Tumor of first Metacarpal: a rare site for a common tumor

  • Indranil Chakrabarti Department of Pathology, North Bengal Medical College, Darjeeling,West Bengal
  • Sankarshan Bhaduri
  • Asit Chandra Ray
Keywords: Giant cell tumor, metacarpal, FNAC


Giant cell tumor (GCT) or osteoclastoma is a common benign  tumor  which is locally aggressive and is of unknown etiology.   They usually occur in young adults (commonly between 20-50 years) at the epiphysis region of long bones. Small bones of hand are very rare sites of these tumors. Here, we present the case of a 18-year-old male who presented with a swelling in the right thenar region. The X-ray revealed an osteolytic lesion in the first metacarpal bone of right hand with soft tissue swelling. Fine-needle aspiration cytology (FNAC) and subsequent histopathology revealed a giant cell tumor. The case is presented because of the unusual site of the tumor and the characteristic radiocytopathological findings.


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Case Report