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Updated: Jun 20, 2026

The Pocket-Creation Procedure of Endoscopic Submucosal Dissection for Large Rectal Laterally Spreading Tumors
Published on: February 13, 2026
Neuroendocrine tumor of the rectum
Koichi Suyama1, Naoko Hayashi, Hironobu Shigaki
1Department of Gastroenterological Surgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan.
Abstract:
The authors report a case of a neuroendocrine tumor of the rectum. A 57-year-old man was revealed to have a large tumor of the rectum with invasion to the urinary bladder and seminal capsule. After resection, the tumor was revealed to be composed of neuroendocrine cells. Adjuvant chemotherapy using cisplatin and camptothecin-11 was completed, and the patient was without recurrence 6 months after surgery.
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