A Comparison of The Clinical Characteristics Comprising Abdominal Wall Endometriosis of Various Types

YuShi Wu, Yi Dai, Junji Zhang, Xiaoyan Li, Jinghua Shi, Zhiyue Gu, Jing Zhang, Jinhua Leng
In: Research Square · 2021 · doi:10.21203/rs.3.rs-601588/v1 · W3195739924
preprint OA: green CC0
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Abstract

Abstract Purpose To classify abdominal wall endometriosis (AWE) according to the invasive levels of tissue mass, and to compare the differences in clinical characteristics between different types of AWE. Methods In this study, we retrospectively analyzed the clinical data of 367 patients who had undergone resection of abdominal-wall endometriotic lesions at the Peking Union Medical College Hospital from January 2008 to December 2018, and we divided the patients into three types according to their deepest level of lesion invasion. Type I designated invasion of skin and subcutaneous tissue; type II, of fascia and rectus abdominis; and type III, of peritoneum. We classified, compared, and analyzed the general conditions, clinical manifestations, auxiliary examinations, surgical conditions, postoperative conditions, and recurrence status of patients. Result s Of the 367 patients, type I patients accounted for 13.62%, type II patients for 56.68%, and type III for 29.7%. With respect to group comparisons, we observed that as the location of the mass deepened, the rate of concurrent pelvic endometriosis increased (P = 0.007), recurrent AWE was augmented (P = 0.02), the size of the mass increased (P < 0.001), the rate of multiple lesions became elevated (P < 0.001), the rate of mesh implantation increased (P < 0.001), the length of postoperative hospital stay (P < 0.001) was lengthened, the number of postoperative fever cases (P = 0.006) increased, and the risk of drainage placement (P < 0.001) was enhanced. The 5-year cumulative recurrence rate was 3.3%, and there was no significant difference in the recurrence rate among various types of AWE. Conclusion Various types of AWE manifest different clinical characteristics, surgical options, associations with pelvic endometriosis, and postoperative conditions.

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endometriosis

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