Laparoscopic Inter-Sphincteric Resection for Rectal GIST Excreted During the Preoperative Period: A Case Report

A 63-year-old man was admitted to our hospital with the chief complaint of melena. Colonoscopy revealed submucosal tumor with delle in the anterior wall of the rectum, but a biopsy specimen did not show any tumor component. Findings of contrast-enhanced CT and MRI led to a diagnosis of rectal GIST....

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Veröffentlicht in:Nippon Daicho Komonbyo Gakkai Zasshi 2018, Vol.71(6), pp.264-267
Hauptverfasser: Nakanishi, Ryo, Yamamoto, Seiichirou, Yoshikawa, Yuusuke, Nagase, Takeshi
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Sprache:eng ; jpn
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Zusammenfassung:A 63-year-old man was admitted to our hospital with the chief complaint of melena. Colonoscopy revealed submucosal tumor with delle in the anterior wall of the rectum, but a biopsy specimen did not show any tumor component. Findings of contrast-enhanced CT and MRI led to a diagnosis of rectal GIST. There was no evidence of infiltration or distant metastasis, so we planned laparoscopic inter-sphincteric resection. However, during the preoperative time, the rectal GIST was excreted with excessive bleeding upon defecation. Colonoscopy revealed a crater-shaped lesion in the anterior wall of the rectum, and a biopsy specimen showed a rectal GIST. Two months after the event, laparoscopic inter-sphincteric resection was performed. Histopathological examination showed high-risk rectal GIST. Adjuvant chemotherapy with imatinib mesylate was administered for 18 months. Currently the patient is in relapse-free survival. Here, we report a relatively rare case in which we performed laparoscopic inter-sphincteric resection for rectal GIST that was excreted.
ISSN:0047-1801
1882-9619
DOI:10.3862/jcoloproctology.71.264