Resection of multiple rectal carcinoids with transanal endoscopic microsurgery: case report. 2015

Jiao-Lin Zhou, and Guo-Le Lin, and Da-Chun Zhao, and Guang-Xi Zhong, and Hui-Zhong Qiu
Jiao-Lin Zhou, Guo-Le Lin, Hui-Zhong Qiu, Department of General Surgery, Peking Union Medical College Hospital, Beijing 100730, China.

Multiple rectal carcinoids are rare. Due to the unreliability of endoscopic polypectomy in treating these submucosal lesions, a laparotomy is usually performed. We present a case report on multiple rectal carcinoids with three carcinoid foci<10 mm in diameter located in the mid-rectum. Preoperative examination showed the lesions to be confined to the submucosal layer with no perirectal nodal involvement. A transanal endoscopic microsurgery was successfully performed to remove the three lesions with accurate full-thickness resection followed by secured suture closure. The postoperative pathology revealed neuroendocrine tumors G1 (carcinoids) located within the submucosal layer without lymphatic or vessel infiltration. Both the deep and lateral surgical margins were completely free of tumor cells. The patient recovered quickly and uneventfully. No tumor recurrence was observed at the six-month follow-up. For the multiple small rectal carcinoids without muscularis propria or lymphatic invasion, transanal endoscopic microsurgery offers a reliable and efficient alternative approach to traditional laparotomy for select patients, with the added advantages of minimally invasive surgery.

UI MeSH Term Description Entries
D008297 Male Males
D008866 Microsurgery The performance of surgical procedures with the aid of a microscope.
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009378 Neoplasms, Multiple Primary Two or more abnormal growths of tissue occurring simultaneously and presumed to be of separate origin. The neoplasms may be histologically the same or different, and may be found in the same or different sites. Neoplasms, Synchronous,Neoplasms, Synchronous Multiple Primary,Multiple Primary Neoplasms,Multiple Primary Neoplasms, Synchronous,Synchronous Multiple Primary Neoplasms,Synchronous Neoplasms,Multiple Primary Neoplasm,Neoplasm, Multiple Primary,Neoplasm, Synchronous,Primary Neoplasm, Multiple,Primary Neoplasms, Multiple,Synchronous Neoplasm
D012004 Rectal Neoplasms Tumors or cancer of the RECTUM. Cancer of Rectum,Rectal Cancer,Rectal Tumors,Cancer of the Rectum,Neoplasms, Rectal,Rectum Cancer,Rectum Neoplasms,Cancer, Rectal,Cancer, Rectum,Neoplasm, Rectal,Neoplasm, Rectum,Rectal Cancers,Rectal Neoplasm,Rectal Tumor,Rectum Cancers,Rectum Neoplasm,Tumor, Rectal
D002276 Carcinoid Tumor A usually small, slow-growing neoplasm composed of islands of rounded, oxyphilic, or spindle-shaped cells of medium size, with moderately small vesicular nuclei, and covered by intact mucosa with a yellow cut surface. The tumor can occur anywhere in the gastrointestinal tract (and in the lungs and other sites); approximately 90% arise in the appendix. It is now established that these tumors are of neuroendocrine origin and derive from a primitive stem cell. (From Stedman, 25th ed & Holland et al., Cancer Medicine, 3d ed, p1182) Argentaffinoma,Carcinoid,Carcinoid, Goblet Cell,Argentaffinomas,Carcinoid Tumors,Carcinoids,Carcinoids, Goblet Cell,Goblet Cell Carcinoid,Goblet Cell Carcinoids,Tumor, Carcinoid,Tumors, Carcinoid
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001706 Biopsy Removal and pathologic examination of specimens from the living body. Biopsies
D012812 Sigmoidoscopy Endoscopic examination, therapy or surgery of the sigmoid flexure. Proctosigmoidoscopy,Sigmoidoscopic Surgical Procedures,Surgical Procedures, Sigmoidoscopic,Sigmoidoscopic Surgery,Surgery, Sigmoidoscopic,Procedure, Sigmoidoscopic Surgical,Procedures, Sigmoidoscopic Surgical,Proctosigmoidoscopies,Sigmoidoscopic Surgeries,Sigmoidoscopic Surgical Procedure,Sigmoidoscopies,Surgeries, Sigmoidoscopic,Surgical Procedure, Sigmoidoscopic
D013997 Time Factors Elements of limited time intervals, contributing to particular results or situations. Time Series,Factor, Time,Time Factor

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