Risk Factors for Abscess Development in Patients with Endometrioma Who Present with an Acute Abdomen

Hanako Kaseki, Masao Ichikawa, Masafumi Toyoshima, Shigeru Matsuda, Kimihiko Nakao, Kenichiro Watanabe, Shuichi Ono, Toshiyuki Takeshita, Shigeo Akira, Shunji Suzuki
Gynecology and minimally invasive therapy · 2022 · vol. 12(1) , pp. 26–31 · doi:10.4103/gmit.gmit_36_22 · PMID:37025436 · W4312359588
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⚙ AI-generated summary by claude@2026-06, 2026-06-10 ⓘ

Older age, history of endometriosis surgery, recent transvaginal manipulation, elevated inflammatory markers, and specific imaging findings were associated with abscess development in patients with endometrioma presenting with an acute abdomen.

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Abstract

Objectives: The objective of this study was to assess the potential risk factors for abscess development in patients with endometrioma who present with an acute abdomen. Materials and Methods: We retrospectively reviewed the records of 51 patients who underwent emergency surgery for acute abdomen involving an endometrioma at our hospital between April 2011 and August 2021. The patients were divided into an infected group ( n = 22) and a control group ( n = 29). We analyzed patient characteristics; imaging findings; clinical data, including bacterial cultures; and perioperative outcomes to assess for differences between groups. Results: Patients in the infected group were significantly older than those in the control group ( P = 0.03). They were more likely to have a history of endometriosis surgery ( P = 0.04) and more likely to have undergone transvaginal manipulation within 3 months of presentation ( P = 0.01). Body temperature on the day of admission was significantly higher in the infected group ( P = 0.007), as were C-reactive protein levels on the day of admission and before surgery ( P < 0.001; P = 0.018) and the white blood cell count on the day of admission ( P = 0.016). Preoperative imaging showed significant thickening of the tumor wall ( P < 0.001) and an enhanced contrast effect ( P < 0.001) in the infected group. Conclusion: We identified several factors that suggest abscess in patients with an acute abdomen who have a complication of pathologically confirmed endometriosis. A recent vaginal procedure is a particular risk factor for abscess development in patients with endometriomas.

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endometriosisendometrioma

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