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Related Experiment Video

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Establishment of an Experimental Mouse Model of Endometrioma to Study its Related Infertility

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Endometriosis and malignancy: The intriguing relationship.

Alka Dahiya¹, Ajit Sebastian¹, Anitha Thomas¹

¹Department of Gynaecologic Oncology, Christian Medical College, Vellore, Tamil Nadu, India.

International Journal of Gynaecology and Obstetrics: the Official Organ of the International Federation of Gynaecology and Obstetrics

|January 8, 2021

Summary

Endometriosis is linked to a higher risk of ovarian, endometrial, and breast cancers. Key risk factors include older age, postmenopausal status, elevated cancer antigen 125 (CA 125), and longer disease duration.

Keywords:

breast cancer endometrial cancer endometriosis ovarian cancer

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Area of Science:

Gynecologic Oncology
Reproductive Endocrinology
Cancer Epidemiology

Background:

Endometriosis is a chronic inflammatory condition affecting women of reproductive age.
The potential association between endometriosis and various malignancies remains an area of significant research interest.
Understanding these links is crucial for early detection and risk stratification.

Purpose of the Study:

To investigate the prevalence of ovarian, uterine (endometrial), and breast cancers in women with endometriosis.
To identify risk factors associated with the co-occurrence of malignancy in endometriosis patients.

Main Methods:

A cross-sectional study included 800 women with a confirmed endometriosis diagnosis.
Data were collected from electronic health records between 2010 and 2019.
Statistical analyses, including univariate and multivariate, were performed to identify risk factors.

Main Results:

A total of 104 (13.0%) patients had coexistent malignancies, including ovarian (6.2%), endometrial (4.1%), and breast (1.8%) cancers.
Significant risk factors for malignancy included increasing age (OR 1.13), elevated cancer antigen 125 (CA 125) (OR 1.002), postmenopausal status (OR 6.2), endometriosis duration >5 years (OR 4.7), and endometriomas >8 cm.

Conclusions:

Endometriosis is associated with an increased risk of ovarian, endometrial, and breast cancers.
Predictive risk factors for malignancy in endometriosis patients are increasing age, postmenopausal status, higher CA 125 levels, larger endometriomas, and long-standing disease.