Granular Cell Tumor of the Common Bile Duct : A Case Report

ATCHARAPORN PONGTIPPAN, M.D.*, ANUVECH WONGMEEKIAT, M.D.**, SUKHUM BUNYARATVEJ, M.D.* TANAYOS SUYABODHA, M.D.**, SAVIT KOSITCHAIWAT, M.D.**,

Affiliation : * Department of Pathology, ** Department of Surgery, Faculty of Medicine, Ramathibodi Hospital, Mahidol University. Bangkok 10400. Thailand.

AbstractGranular cell tumors (GCTs) are uncommon soft tissue tumors, usually presenting in the skin and subcutaneous tissue tongue and oral cavity. We present a case report of granular cell tumor of the common bile duct involving both extra-and intrapancreatic portions. The histo- genesis appears to be related to Schwann cells, similar to granular cell tumors of other sites, as evidenced by histologic and immunohistochemical findings. Review of the English literature concerning biliary tract GCTs revealed a high occurrence in African-American females in their third decade. By-pass operation to correct the biliary tract obstruction may be appropriate. if the nature of the tumor can be obtained from intraoperative diagnosis by frozen section.

Keywords : Granular Cell Tumor, Common Bile Duct

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