A Case of a Serotonin-Producing Pancreatic Neuroendocrine Tumor That Was Diagnosed Preoperatively

Kento Hirotaka, Yasuhisa Mori, Takao Ohtsuka, Yusuke Watanabe, Naoki Ikenaga, Kohei Nakata, Tomohiro Nakayama, Kukiko Sakihama, Ryota Matsuda, Yoshinao Oda, Masafumi Nakamura
2021 The Japanese Journal of Gastroenterological Surgery  
We herein present the case of a 45-year-old asymptomatic female who was referred to our institution for main pancreatic duct stenosis revealed by US. CT and MRI confirmed a well-defined hypervascular tumor of 4 mm in diameter in the head of the pancreas. Endoscopic ultrasound-guided fine needle aspiration and pancreatic juice cytology under ERCP showed no malignancy. Laparoscopy-assisted pancreatoduodenectomy was performed under a preoperative diagnosis of a serotonin-producing pancreatic
more » ... ndocrine tumor (PanNET). Pathological examination of the resected specimen showed that the tumor was a serotonin-producing PanNET.
doi:10.5833/jjgs.2020.0028 fatcat:h2vjs66ozvestdtll2trkw7xp4