We report a case of partial pancreas divisum with Intraductal Papillary Mucinous Tumor (IPMT) that was performed pancreatic segmentectomy. A 68-year-old woman was admitted to our hospital because she was pointed out a cystic tumor of the pancreatic body by near doctor. Abdominal ultrasonography and endoscopic retrograde pancreaticography showed a partial pancreas divisum and cystic tumor with small elevated lesion. Based on these various examinations a diagnosis partial pancreas divisum with IPMT was determined. Then we performed a minimal invasive operation, and underwent pancreatic segmentectomy. After the operation there were no major complications and she discharged on 34th post operative days. In a review of the Japanese literature, only three such cases including our case have been reported so far
