Frequency of uterine adenomyosis in magnetic resonance imaging of patients with endometriosis and evaluation of its demographic factors

Document Type : Original Article

Authors

1 Associate Professor, Department of Radiology, Faculty of Medicine, Mashhad Medical Sciences, Islamic Azad University, Mashhad, Iran.

2 Professor, Department of Obstetrics and Gynecology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.

3 Assistant Professor, Department of Obstetrics and Gynecology, Faculty of Medicine, Mashhad Medical Sciences, Islamic Azad University, Mashhad, Iran.

4 General practitioner, Faculty of Medicine, Mashhad Medical Sciences, Islamic Azad University, Mashhad, Iran.

10.22038/ijogi.2025.84115.6268

Abstract

Introduction: Uterine adenomyosis is the presence of ectopic endometrial tissue in myometrium, which is associated with abnormal uterine bleeding, infertility and adverse pregnancy outcome. The present study was conducted with aim to evaluate the frequency of adenomyosis on magnetic resonance imaging of women with endometriosis and examine some demographic factors.
Methods: This analytical descriptive study was conducted in 2021-2022 on 42 women of reproductive age with diagnosis of endometriosis who were candidate for open surgery or laparoscopy. Pelvic magnetic resonance imaging (MRI) was requested for all patients in order to mapping of pelvic endometriosis before surgery. The variables of the study included the age of menarche, length of menstrual period, body mass index (BMI), gravidity, history of infertility and history of previous pelvic surgery. Data was collected by face-to-face interview with each patient. Pelvic MRI with and without IV contrast was done by a Siemens 1.5 Tesla machine. The presence of concurrent adenomyosis was investigated in MR images. Data was analyzed using SPSS software (version 25) and t-student and Mann-Whitney tests. P<0.05 was considered significant.
Results: Adenomyosis was associated with endometriosis in 17 patients (40.5%), three of them (7.1%) had focal adenomyosis and the rest had diffuse adenomyosis. Among the variables, the association of adenomyosis with endometriosis was significantly higher in patients with BMI >25 kg/m2.
Conclusion: This study showed that more than one third of patients with endometriosis had concomitant adenomyosis that was associated with obesity.

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References

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The Iranian Journal of Obstetrics, Gynecology and Infertility
Volume 28, Issue 2
April 2025
Pages 1-9

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