Acute Massive Lower Gastrointestinal Bleeding Secondary to Obstructive Colitis Proximal to Obstructing Cancer of the Sigmoid Colon

Siow, Sze Li and Nyunt, Myo and Mahendran, Hans Alexander (2021) Acute Massive Lower Gastrointestinal Bleeding Secondary to Obstructive Colitis Proximal to Obstructing Cancer of the Sigmoid Colon. Asian Journal of Case Reports in Surgery, 11 (3). pp. 27-32.

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Abstract

Introduction: Acute massive lower gastrointestinal bleeding (LGIB) is a rare and serious manifestation of obstructive colitis that requires urgent therapeutic intervention. Here, we report a case of LGIB due to obstructive colitis in an adult patient. Presentation of Case: A 34-year-old man with large bowel obstruction secondary to sigmoid colon cancer underwent laparotomy and Hartmanns procedure (resection of rectosigmoid colon with a proximal end colostomy). Post-operatively, he had recurrent episodes of severe bleeding from the colostomy that required transfusion of a total of eleven units of packed cells and four units of fresh frozen plasma over the next two days. Urgent oesophagogastroduodenoscopy showed pan gastritis and insignificant superficial gastric erosions. Colonoscopy via the colostomy showed stigmata of recent bleed but failed to identify the exact site of bleeding. Computed tomography angiogram failed to localize the site of bleeding. A re-laparotomy was performed. On-table colonoscopy through the end colostomy followed by completion total colectomy and ileorectal anastomosis was done. The patient recovered uneventfully after the surgery with no further episode of rectal bleeding. Histology findings of the resected colon were compatible with obstructive colitis. He remains well at five years follow-up with no recurrence. Discussion: The case highlights the rare occurrence of acute massive LGIB as a life-threatening complication of obstructive colitis. The diagnosis should be considered in patients who present with large bowel obstruction. Conclusion: A high index of suspicion is key to early diagnosis and an extended resection of the colon is necessary to arrest bleeding.

Item Type: Article
Uncontrolled Keywords: Obstructive colitis; sigmoid cancer; intestinal obstruction; lower gastrointestinal bleeding; obstructing colon cancer
Subjects: R Medicine > RD Surgery
Divisions: Academic Faculties, Institutes and Centres > Faculty of Medicine and Health Sciences
Depositing User: Nyunt
Date Deposited: 18 Nov 2021 03:32
Last Modified: 18 Nov 2021 03:32
URI: http://ir.unimas.my/id/eprint/36739

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