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Qi H, Zhang H, Zhang D, Li J, Huang Z, Zhao X, Zhang J. Reassessment of prevalence of tubal endometriosis, and its associated clinicopathologic features and risk factors in premenopausal women received salpingectomy. Eur J Obstet Gynecol Reprod Biol X 2019; 4:100074. [PMID: 31517305 PMCID: PMC6728725 DOI: 10.1016/j.eurox.2019.100074] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 06/04/2019] [Accepted: 06/12/2019] [Indexed: 12/22/2022] Open
Abstract
Introduction To reassess the prevalence of fallopian tube endometriosis (EM), and its associated clinicopathologic characteristics and risk factors. Methods Cross-sectional study was conducted from June 2016 to August 2017. Unpregnant premenopausal women who underwent unilateral or bilateral salpingectomy due to gynecologic diseases were recruited. Patient clinical data and fallopian tube specimens were collected. Hematoxylin-eosin (H&E) staining and CD10 immunohistochemistry were used to diagnose tubal EM. Results Tubal EM prevalence was 14.48% (161/1112, 95% confidence interval [CI] 12.41%–16.55%). Prevalence of tubal EM in patients with EM was 37.37% (95%CI 30.58%–44.17%) which is higher in patients without EM (9.52%, 95%CI 7.61%–11.42%) and even higher in those with multi-organ EM (43.94%, 95%CI 35.36%–52.52%). At unilateral or bilateral salpingectomy, tubal EM was more likely located in the left fallopian tube (52.17%) than the right one (40.37%) and presence of hydrosalpinx/ hematosalpinx increased in women with tubal EM than without tubal EM (43.47% versus 23.79%). With increasing severity of pelvic EM (r = 0.26, P<10−4) and adhesion (r = 0.25, P<10−4), the tubal EM prevalence also increased. Pathological examination found that tubal EM was more likely located in the mucosa of the proximal tube with significantly more surrounding inflammation and fibrotic lesions than the serosa/sub-serosa in the distal tube (r = 0.90, P<10−4). Multivariate analysis showed that abnormal uterine bleeding (AUB) (AOR = 3.10), previous EM surgery (AOR = 4.22) and tubal ligation (AOR = 2.33) were risk factors for tubal EM. Conclusions These data provide clinicians with important information that the prevalence of tubal EM among premenopausal unpregnant patients was higher than previous investigators, especially higher among women with EM diseases. Identifying its clinicopathologic characteristics and predictors may facilitate clinical decision making.
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Key Words
- AM, adenomyosis
- AUB, Abnormal uterine bleeding
- CIs, confidence intervals
- Cross-sectional study
- DIE, deep infiltrating EM
- EM, endometriosis
- Endometriosis
- Endometriotic diseases
- IHC, immunohistochemistry
- IUD, intrauterine device
- OEC, ovarian endometriotic cyst
- ORs, Odds ratios
- Prevalence
- SD, standard deviation
- TEM, tubal endometriosis
- Tubal endometriosis
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Affiliation(s)
- Hang Qi
- Department of Obstetrics and Gynecology, International Peace Maternity and Child, Health Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China.,Shanghai Key Laboratory Embryo Original Diseases, China
| | - Huiyu Zhang
- Department of Obstetrics and Gynecology, International Peace Maternity and Child, Health Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China.,Shanghai Key Laboratory Embryo Original Diseases, China
| | - Duo Zhang
- Department of Obstetrics and Gynecology, International Peace Maternity and Child, Health Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China.,Shanghai Key Laboratory Embryo Original Diseases, China
| | - Juan Li
- Shanghai Key Laboratory Embryo Original Diseases, China.,Department of Pathology, International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Zhen Huang
- Department of Obstetrics and Gynecology, International Peace Maternity and Child, Health Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China.,Shanghai Key Laboratory Embryo Original Diseases, China
| | - Xiaoya Zhao
- Department of Obstetrics and Gynecology, International Peace Maternity and Child, Health Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China.,Shanghai Key Laboratory Embryo Original Diseases, China
| | - Jian Zhang
- Department of Obstetrics and Gynecology, International Peace Maternity and Child, Health Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China.,Shanghai Key Laboratory Embryo Original Diseases, China
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