PMID- 27046104 OWN - NLM STAT- PubMed-not-MEDLINE DCOM- 20160426 LR - 20200930 IS - 2210-2612 (Print) IS - 2210-2612 (Electronic) IS - 2210-2612 (Linking) VI - 22 DP - 2016 TI - Synchronous neuroendocrine tumors in both the pancreas and ileum: A case report. PG - 47-50 LID - S2210-2612(16)30036-0 [pii] LID - 10.1016/j.ijscr.2016.03.028 [doi] AB - INTRODUCTION: Although it is well-known that in multiple endocrine neoplasia type 1 (MEN 1) disease, multiple endocrine lesions frequently occur, synchronous or metachronous neuroendocrine tumors (NETs) in non-MEN 1 patients are extremely rare. PRESENTATION OF CASE: An asymptomatic 72-year-old woman with an ileal NET was referred to our hospital. Abdominal computed tomography revealed another circular tumor within the pancreatic head. She was classified as a non-MEN 1 patient. An operative procedure was performed with a preoperative diagnosis of synchronous NET, which was confirmed by pathological examination. DISCUSSION: Both morphologic and immunophenotypic findings were different between in the ileum and pancreas. Therefore, it was reasonable to consider that both tumors were primary tumors. The synchronous occurrence of these tumors is unusual, and it may be considered as a chance occurrence. CONCLUSION: We here report the first case of synchronous pancreatic NET and ileal NET in a non-MEN 1 patient. CI - Copyright (c) 2016 The Authors. Published by Elsevier Ltd.. All rights reserved. FAU - Tsunenari, Takazumi AU - Tsunenari T AD - Department of Surgery, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama 359-8513, Japan. FAU - Aosasa, Suefumi AU - Aosasa S AD - Department of Surgery, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama 359-8513, Japan. Electronic address: suaosasa@ndmc.ac.jp. FAU - Ogata, Sho AU - Ogata S AD - Department of Laboratory Medicine, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama 359-8513, Japan. FAU - Hoshikawa, Mayumi AU - Hoshikawa M AD - Department of Surgery, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama 359-8513, Japan. FAU - Nishikawa, Makoto AU - Nishikawa M AD - Department of Surgery, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama 359-8513, Japan. FAU - Noro, Takuji AU - Noro T AD - Department of Surgery, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama 359-8513, Japan. FAU - Shinto, Eiji AU - Shinto E AD - Department of Surgery, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama 359-8513, Japan. FAU - Tsujimoto, Hironori AU - Tsujimoto H AD - Department of Surgery, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama 359-8513, Japan. FAU - Ueno, Hideki AU - Ueno H AD - Department of Surgery, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama 359-8513, Japan. FAU - Hamabe, Fumiko AU - Hamabe F AD - Department of Radiology, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama 359-8513, Japan. FAU - Shinmoto, Hiroshi AU - Shinmoto H AD - Department of Radiology, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama 359-8513, Japan. FAU - Hase, Kazuo AU - Hase K AD - Department of Surgery, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama 359-8513, Japan. FAU - Yamamoto, Junji AU - Yamamoto J AD - Department of Surgery, National Defense Medical College, 3-2 Namiki, Tokorozawa, Saitama 359-8513, Japan. LA - eng PT - Journal Article DEP - 20160324 PL - Netherlands TA - Int J Surg Case Rep JT - International journal of surgery case reports JID - 101529872 PMC - PMC4823476 OTO - NOTNLM OT - Case report OT - Ileum OT - Neuroendocrine tumor OT - Pancreas EDAT- 2016/04/06 06:00 MHDA- 2016/04/06 06:01 PMCR- 2016/03/24 CRDT- 2016/04/06 06:00 PHST- 2016/03/17 00:00 [received] PHST- 2016/03/21 00:00 [accepted] PHST- 2016/04/06 06:00 [entrez] PHST- 2016/04/06 06:00 [pubmed] PHST- 2016/04/06 06:01 [medline] PHST- 2016/03/24 00:00 [pmc-release] AID - S2210-2612(16)30036-0 [pii] AID - 10.1016/j.ijscr.2016.03.028 [doi] PST - ppublish SO - Int J Surg Case Rep. 2016;22:47-50. doi: 10.1016/j.ijscr.2016.03.028. Epub 2016 Mar 24.