Villous adenoma in a perforated colonic diverticulum

Barr, Yael; Brazowski, Eli; Leider-Trejo, Leonor

doi:10.1007/s00384-004-0694-1

Cited by 7 publications

(3 citation statements)

References 12 publications

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“…Interestingly, benign polyps are also reported to arise in association with colonic diverticula. 19,20 From a prognostic point of view, colorectal carcinoma arising from diverticula may have a higher likelihood of extramural spread to neighboring organs due to the deficiency of the muscular layer in diverticula. In support of this, Yagi et al 15 reported a case of a sigmoid colon adenocarcinoma arising from a colonic diverticulum and invading the urinary blabber via a colovesical fistula.…”

Section: Discussion and Literature Reviewmentioning

confidence: 99%

Invasive Moderately-Differentiated Mucinous Adenocarcinoma Incidentally Identified in Perforated Acute Diverticulitis With Abscess Formation

Soliman,

Cerda,

2016

Pathol Lab Med Open J

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Colonic adenocarcinoma rarely arises within a diverticulum. As illustrated in this case report, such an occurrence presents difficulties in diagnosis, posed by the overlap of radiological findings in diverticulitis and adenocarcinoma and the potential absence of luminal lesion. Here we present a 77-year-old male with acute left lower abdominal pain, fever and leukocytosis. Computarized tomography (CT) imaging revealed extensive colonic diverticulosis, with sigmoid colon wall thickening, extraluminal air and a pericolic abscess. No enlarged lymph nodes were detected. The clinical diagnosis was acute sigmoid diverticulitis with micro-perforation and abscess formation. Partial sigmoidectomy was performed and diverticulitis confirmed; no tumor was identified in the resected colon. However, fragments of mucinous adenocarcinoma were incidentally recognized in the pericolic abscess contents. Immunohistochemical (IHC) studies supported a primary colonic adenocarcinoma, warranting further clinical workup. A subsequent distal sigmoidectomy revealed moderately-differentiated mucinous adenocarcinoma invading through the visceral peritoneum, and arising in a low-grade mucinous neoplasm within a diverticulum. The case illustrates that in a patient with diverticulitis and no evidence of a luminal neoplasm, the unexpected finding of adenocarcinoma in the resected bowel may be attributable to adenocarcinoma arising within a diverticulum.

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Section: Discussion and Literature Reviewmentioning

confidence: 99%

Invasive Moderately-Differentiated Mucinous Adenocarcinoma Incidentally Identified in Perforated Acute Diverticulitis With Abscess Formation

Soliman,

Cerda,

2016

Pathol Lab Med Open J

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“…Some of the reports investigated the relation between colonic polyps or carcinomas and diverticula. Some authors argued that the coexistence of diverticular disease and cancer of the large bowel was merely a chance phenomenon,15 , 16 while others proposed that there was a causal relationship between the two 5…”

Section: Discussionmentioning

confidence: 99%

Perforation of sigmoid diverticulum following endoscopic polypectomy of an adenoma

Yang²,

Guo³

et al. 2010

Case Reports

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“…Adenomas or adenocarcinomas located within a diverticulum are a rare phenomenon that has been described in the literature [ 2 - 5 ]. These lesions pose a technical challenge for endoscopic management given their difficult location inside the diverticulum and the greater risk of perforation upon endoscopic resection owing to the lack of the muscular layer within the diverticulum [ 4 - 6 ]. Therefore, surgery is considered the standard treatment for colorectal neoplasia (CRN) associated with a diverticulum [ 7 ].…”

Section: Introductionmentioning

confidence: 99%

Endoscopic Management of a Tubulovillous Adenoma Within a Diverticulum: Report of a Case and Review of Literature

Hawa

Al-Hillan

Catanzaro

et al. 2020

Cureus

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Adenomas or adenocarcinomas located within a colonic diverticulum are considered a rare phenomenon that has been described in the literature. These lesions are technically difficult to manage endoscopically and usually require surgical intervention for removal. There is also an increased risk of perforation upon endoscopic resection owing to the lack of a muscular layer within the diverticulum. We report a case and include a literature review to evaluate different endoscopic techniques and propose the most effective for management of adenomas within a diverticulum. This technique is potentially comprised of employing a combined approach using a suction banding device, an over-the-scope clip (OTSC; Ovesco Endoscopy AG, Tübingen, Germany) , and hyperthemic snare to successfully remove the polyp, ensure tissue retrieval, and reduce risk of iatrogenic colonic perforation.

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Villous adenoma in a perforated colonic diverticulum

Cited by 7 publications

References 12 publications

Invasive Moderately-Differentiated Mucinous Adenocarcinoma Incidentally Identified in Perforated Acute Diverticulitis With Abscess Formation

Invasive Moderately-Differentiated Mucinous Adenocarcinoma Incidentally Identified in Perforated Acute Diverticulitis With Abscess Formation

Perforation of sigmoid diverticulum following endoscopic polypectomy of an adenoma

Endoscopic Management of a Tubulovillous Adenoma Within a Diverticulum: Report of a Case and Review of Literature

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