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World J Gastroenterol. May 14, 2014; 20(18): 5557-5560
Published online May 14, 2014. doi: 10.3748/wjg.v20.i18.5557
Published online May 14, 2014. doi: 10.3748/wjg.v20.i18.5557
Laparoscopic right hemicolectomy for ascending colon cancer with persistent mesocolon
Atsushi Tsuruta, Akimasa Kawai, Yasuo Oka, Hideo Okumura, Hideo Matsumoto, Toshihiro Hirai, Masafumi Nakamura, Department of Digestive Surgery, Kawasaki Medical School, Okayama 701-0192, Japan
Author contributions: Tsuruta A performed the operation and described this paper; Kawai A, Oka Y and Okumura H assisted the operation; Matsumoto H, Hirai T and Nakamura M performed surgical management.
Correspondence to: Atsushi Tsuruta, MD, PhD, Department of Digestive Surgery, Kawasaki Medical School, 577, Matsushima, Kurashiki, Okayama 701-0192, Japan. atsuatsu@apost.plala.or.jp
Telephone: +81-86-4621111 Fax: +81-86-4621199
Received: October 11, 2013
Revised: November 10, 2013
Accepted: February 26, 2014
Published online: May 14, 2014
Revised: November 10, 2013
Accepted: February 26, 2014
Published online: May 14, 2014
Core Tip
Core tip: Persistent descending or ascending mesocolon develops as a result of failure of the primitive dorsal mesocolon to fuse with the parietal peritoneum in the fifth month of gestation. In this paper, we report a case in which both ascending and descending mesocolon coexisted. The preoperative computed tomography imaging examination indicated that the descending colon was shifted to the midline, resulting in the sigmoid colon located in the right abdominal cavity and the ascending colon located on the sigmoid colon with a mobile cecum. Prediagnosis of this embryological anomaly could enhance safety of the laparoscopic colon surgery.