A Case of Laparoscopic Resection of Retroperitoneal Neuroendocrine Tumor

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  • HIGUCHI Yudai
    First Department of Surgery, University of Yamanashi, Faculty of Medicine
  • KAWAIDA Hiromichi
    First Department of Surgery, University of Yamanashi, Faculty of Medicine
  • SAITO Ryo
    First Department of Surgery, University of Yamanashi, Faculty of Medicine
  • NAKATA Yuki
    First Department of Surgery, University of Yamanashi, Faculty of Medicine
  • AMEMIYA Hidetake
    First Department of Surgery, University of Yamanashi, Faculty of Medicine
  • ICHIKAWA Daisuke
    First Department of Surgery, University of Yamanashi, Faculty of Medicine

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Other Title
  • 腹腔鏡下に切除した後腹膜原発神経内分泌腫瘍の1例
  • フククウキョウ カ ニ セツジョ シタ アトバラマク ゲンパツ シンケイ ナイブンピ シュヨウ ノ 1レイ

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Abstract

<p>A 62-year-old man was referred to our hospital because an abdominal ultrasonography examination indicated a tumor on the dorsal side of his pancreas. Computed tomography and magnetic resonance imaging showed a clear border between the tumor and the pancreas. Endoscopic ultrasonography (EUS) revealed a 23-mm hypoechoic mass on the dorsal side of the pancreatic body and connected to the splenic artery. It was diagnosed as a neuroendocrine tumor by EUS-fine-needle aspiration (FNA), and the patient underwent laparoscopic tumor resection. Intraoperative findings showed no continuity between the pancreas and the tumor. The pathological diagnosis was NET-G2, and there was no evidence of origin from the pancreas, lymph nodes, adrenal gland, or ganglia, suggesting a retroperitoneal primary. No evidence of recurrence was observed 2 years after the surgery. We experienced a case of a primary retroperitoneal neuroendocrine tumor arising on the dorsal side of the pancreatic body and could be resected laparoscopically.</p>

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