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Case Rep Surg. 2013;2013:714126. doi: 10.1155/2013/714126. Epub 2013 Apr 28.

Endometrioid adenocarcinoma of caecum causing intussusception.

Case reports in surgery

Rashmi Verma, Sally Osborn, Kieran Horgan

Affiliations

  1. Department of Breast Surgery, St James's Hospital, Beckett Street, Leeds, West Yorkshire LS97TF, UK.

PMID: 23710407 PMCID: PMC3655497 DOI: 10.1155/2013/714126

Abstract

Malignant transformation of endometriosis is rare and is usually seen in ovarian endometriosis. The colon and rectum are the most common sites for extragonadal endometriosis, and although serosal involvement is commonly seen, mucosal involvement is rare. Malignant transformation of endometriosis is a rare but a well-known complication of endometriosis. We report an unusual presentation of endometrioid adenocarcinoma with lymph node metastasis, arising from endometriosis in the caecal wall and causing ileocaecal intussusception. The patient presented with sudden onset of abdominal pain with features suggestive of acute appendicitis. Diagnostic laparoscopy revealed an ileocaecal intussusception. Conversion to open surgery confirmed a caecal mass causing ileocaecal intussusception, and a radical right hemicolectomy was performed. Histology revealed endometrioid adenocarcinoma arising in a focus of endometriosis in the muscularis propria and involving the mucosa, with one regional metastatic lymph node.

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