IMR Press / EJGO / Volume 39 / Issue 4 / DOI: 10.12892/ejgo3917.2018

European Journal of Gynaecological Oncology (EJGO) is published by IMR Press from Volume 40 Issue 1 (2019). Previous articles were published by another publisher on a subscription basis, and they are hosted by IMR Press on imrpress.com as a courtesy and upon agreement with S.O.G.

Open Access Case Report
Squamous cell carcinoma at a colostomy site
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1 Department of Gynecologic Oncology, Instituto Nacional de Cancerologia, Mexico City, Mexico
Eur. J. Gynaecol. Oncol. 2018, 39(4), 668–670; https://doi.org/10.12892/ejgo3917.2018
Published: 10 August 2018
Abstract

Introduction: The development of a malignancy at a stoma site is an extremely rare event, with a rate reported at 2-4 of every 1,000 cases. Most of the cases are adenocarcinomas, with only a few squamous cell carcinomas (SCCs) reported as of today. Case Report: The authors present a case of a second primary SCC developing at the colostomy site nine months after colostomy formation. Discussion: The literature research revealed seven cases published in English. These cases presented with a minimum of ten years following stoma formation, and most of them developed in the setting of inflammatory bowel disease. It has been proposed that chronic chemical irritation at the stoma mucocutaneous junction may be carcinogenic. Conclusion: Patients with a stoma should be properly educated for early identification of problems. Additionally, a biopsy should be taken of any suspicious lesion in order to rule out malignant transformation.
Keywords
Ovarian cancer
Stoma
Peristomal carcinoma
Squamous cell carcinoma
Second primary carcinoma
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