<p>This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.</p> <p>Granulosa cell tumors are rare benign tumors which may be found throughout the body. Rare cases are
isolated within the biliary tree. If completely resected, surgical excision is curative.</p> <p>A case of biliary duct granulosa cell tumor is presented with review of the world’s literature on this
topic.</p>
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HPB Surg. 1993; 6(4):311-317