Role of Diffusion Weighted MR Imaging (DWI) In Characterization of Complex Adnexal Masses

Document Type : Original Article

Authors

1 Professor of Radiodiagnosis, Faculty of Medicine for Girls, Al-Azhar University, Cairo, Egypt

2 MSc, Radiodiagnosis, Faculty of Medicine for Girls, Al-Azhar University, Cairo, Egypt

https://doi.org/10.21608/aimj.2025.446590

Abstract

Background: The primary reason for gynecologic surgery is still adnexal masses. With the use of imaging techniques, we hope to decrease the number of women who needlessly undergo cancer surgeries, help young women maintain their fertility (through the use of laparoscopy), and, if needed, refer patients to tertiary referral centers that have specialist gynecologic oncologists so that they can receive the best primary surgical treatment possible.
Aim and objectives: Bringing attention to the use of diffusion weighted imaging(DWI) in the description of complex adnexal masses.
Subjects and methods: This prospective diffusion MRI study included 50 participants, whose ages ranged between 20 and 68 years, with a mean age of 39.5 39.5-years. The study was conducted on patients who were referred from gynecological departments to the Department of Radiodiagnosis of Al-Zahraa University Hospital, and other private places during November 2017 to May 2023.
Results: When endometrioma, mature cystic teratoma, and tubo-ovarian abscess cases are excluded from the study, DWI is associated with high sensitivity and specificity and appears to be an effective approach for discriminating between benign and malignant adnexal lesions.
Conclusion: By employing a method that does not involve any radiation and is entirely noninvasive. It is worth considering DWI as a substitute for contrast administration in cases where it is best to avoid it, such as during pregnancy. Efficient method (no extra expense to MRI scan), simple to incorporate into MR study protocols, and does not significantly increase scan duration. In order to distinguish between benign and malignant adnexal lesions, DWI is crucial for the Adnex MR score.
 

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