The appendix in endometriosis

Cici Guo, Michelle Zhiyun Chen, Chiu T, Tricia Chiu, Condous G, G. Condous, George Condous, Walid Barto, Barto W
The Australian & New Zealand journal of obstetrics & gynaecology · 2023 · vol. 63(6) , pp. 792–796 · doi:10.1111/ajo.13730 · PMID:37427888 · W4383700655
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Histopathological examination of appendices from 67 women undergoing Stage IV endometriosis surgery revealed endometriosis in 35.8% of cases, with no increase in complications from routine appendicectomy.

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Abstract

BACKGROUND: In the most severe stage of endometriosis, Stage IV, intestinal involvement is common. The true prevalence of endometriotic disease of the appendix in this population is not well described. A macroscopically normal looking appendix may harbour endometriosis. AIMS: Our study aims to assess the role of routinely performing appendicectomy in Stage IV endometriosis surgery, and the histopathological prevalence of true appendiceal endometriosis in this population. METHODS: This is a retrospective study of women undergoing surgery for Stage IV endometriosis between 2018 to 2022 in a tertiary public hospital in New South Wales, Australia. Patient demographics, age and post-operative complications were retrospectively retrieved from hospital medical records. Inclusion criteria were women with Stage IV endometriosis who underwent routine appendicectomy as part of their endometriosis surgery. Exclusion criteria were women who did not have Stage IV endometriosis, those who had cancer surgery or emergency surgery for endometriosis. The primary outcome of this study was to determine the incidence of appendiceal endometriosis. Secondary outcomes included post-operative complications and length of stay. RESULTS: Sixty-seven patients were included. The mean age was 36 years. All patients also underwent bowel resection for colorectal endometriosis. There were 35.8% who had confirmed appendiceal endometriosis on histopathology. Post-operative complications included port site infections, colitis, urinary tract infection and ureteric injury. There were no complications related to appendicectomy. Mean length of stay was 4.4 days. CONCLUSION: Laparoscopic appendicectomy can be safely performed at time of laparoscopic surgical excision of Stage IV endometriosis and should be routinely considered in a subset of Stage IV endometriosis patients with colorectal involvement undergoing surgery.

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endometriosis

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