Appropriate Indication of Organ Preserving Surgery for Pancreatic Neuroendocrine Neoplasm

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Introduction: Organ preserving surgery(OPS) has been accepted for pancreatic neuroendocrine neoplasm(PNEN), particularly in a small and low malignant tumors.

Aim(s): The aim of this study was to analyze the surgical outcome after these OPS in our institute, especially focusing on the lymph-node metastasis and post operative locoregional recurrence.

Materials and methods: 48 consecutive patients with PNEN underwent operation between 2003 and 2015. Patients were retrospectively classified into one of two groups: Organ Preserving group (OPG) and Standard operation group (SOG). We have applied OPS based on size criteria with tumor size less than 1.5cm in non-functional PNEN and less than 2cm in insulinoma with no evident bulky lymph-node swelling on preoperative imaging.

Conference: 13th Annual ENETSConcerence (2016)

Presenting Author:

Authors: Tsuchikawa T, Hirano S, Nakamura T, Asano T, Okamura K,

Keywords: Organ preserving surgery, DPPHR,