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The Association between Endometriosis and Chronic Endometritis

2014; Public Library of Science; Volume: 9; Issue: 2 Linguagem: Inglês

10.1371/journal.pone.0088354

1932-6203

Akie Takebayashi, Fuminori Kimura, Yohei Kishi, Mitsuaki Ishida, Akimasa Takahashi, Akiyoshi Yamanaka, Kentaro Takahashi, H. Suginami, Takashi Murakami,

Uterine Myomas and Treatments

Objective To evaluate the association between endometriosis and chronic endometritis. Methods Endometrial specimens were obtained from 71 patients, 34 with endometriosis (endometriosis group) and 37 without endometriosis (non-endometriosis group), who underwent hysterectomy, and the specimens were immunostained for the plasmacyte marker CD138. The rate of chronic endometritis was compared between the endometriosis group and the non-endometriosis group. Furthermore, the 71 patients were also divided into two groups, 28 with chronic endometritis (chronic endometritis group) and 43 without chronic endometritis (non-chronic endometritis group). Logistic regression analysis was performed with variables including age, body mass index (BMI), gravidity and parity, and diagnoses of leiomyoma, adenomyosis, and endometriosis on pathology to examine the independent effect of each variable on chronic endometritis. Patients suffering from cervical invasive carcinoma, endometrial carcinoma, and endometrial polyps or treated with gonadotropin-releasing hormone agonists, progestins, or oral contraceptives before surgery were excluded. Results Chronic endometritis was identified in 52.94% of the endometriosis group and 27.02% of the non-endometriosis group (p<0.05). Logistic regression analysis revealed that endometriosis was associated with chronic endometritis. Conclusions This result suggests a strong association between endometriosis and chronic endometritis.