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Published in: Archives of Gynecology and Obstetrics 3/2020

01-03-2020 | Infertility | General Gynecology

Is tubal endometriosis an asymmetric disease? A 17-year retrospective study

Authors: Rui-Hong Xue, Juan Li, Zhen Huang, Zheng-Zheng Li, Lei Chen, Qin Lin, He-Feng Huang

Published in: Archives of Gynecology and Obstetrics | Issue 3/2020

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Abstract

Purpose

To investigate whether there are left–right asymmetries in tubal endometriosis and the factors affecting this predisposition.

Methods

Women who underwent salpingectomy for gynecological diseases and were diagnosed with tubal endometriosis between January 2002 and July 2019 were included in the study. The frequencies of left and right tubal endometriosis were compared with the expected 50% using a binominal test. The demographic characteristics and presence of ovarian endometrioid cysts, adenomyosis, and hydrosalpinx were also analyzed.

Results

During the study period of more than 17 years, 305 women were diagnosed with tubal endometriosis. The distribution of tubal endometriosis in the left or right fallopian tubes was analyzed. Tubal endometriosis was found in the left fallopian tube in 168 (55.08%) women, in the right fallopian tube in 93 (30.49%), and bilaterally in 44 (14.43%). Left unilateral tubal endometriosis was found most frequently (64.37%, 168/261), and its incidence was significantly higher than 50% (P < 0.001, binominal test). Furthermore, the frequency of left ovarian endometrioid cysts (58.82%) was higher than that of right ovarian endometrioid cysts (41.18%) (P < 0.001, binominal test).

Conclusion

Our study confirms that tubal endometriosis is a left-side asymmetric disease, and this predisposition is highly consistent with ovarian endometrioid cysts, which supports the transplantation theory of the origin of endometriosis.
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Metadata
Title
Is tubal endometriosis an asymmetric disease? A 17-year retrospective study
Authors
Rui-Hong Xue
Juan Li
Zhen Huang
Zheng-Zheng Li
Lei Chen
Qin Lin
He-Feng Huang
Publication date
01-03-2020
Publisher
Springer Berlin Heidelberg
Published in
Archives of Gynecology and Obstetrics / Issue 3/2020
Print ISSN: 0932-0067
Electronic ISSN: 1432-0711
DOI
https://doi.org/10.1007/s00404-020-05465-x

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