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Corresponding Author

Ismaeal, ali

Document Type

Original Article

Abstract

Background: MRI used mainly in setting of sonographically heterogeneous adnexal mass, it can provide tissue characterization according to signal properties. It may not be possible to decide preoperatively whether conservative or radical surgery is appropriate for adnexal masses. DWI helps in discrimination between types of masses besides diagnosis of peritoneal implants. Aim of the study: was studying the role of DW sequences and dynamic enhanced MRI regarding its diagnostic accuracy and also the DW ability images in accurate detection of lymphadenopathy. Patients and Methods: Study was performed between November 2019 and March 2020 at Obied Hospital-KSA. carried on 20 patients with twenty masses. MR imaging pelvis was performed on (Achieva, Philips medical system) 1.5-T.(T2-T1-DW=DCE) Qantitative and qualitative statistical stastical analysis were performed. Results: Twenty patients that revealed 20 complex adnexal masses selected after a preliminary pelvic ultrasound examination. The histopathology of the evaluated masses were (10 benign, 2 borderline, and 8 malignant). MRI, DWI and DCE were collectively resulting in differentiation of adnexal masses with high sensitivity of DWI, specificity of DCE. Conclusion: DWI can add diagnostic value for MR criteria to differentiate types of adnexal lesions. DWI increased the sensitivity, but didn’t improve the specificity or the accuracy, while addition of DCE-MRI increased the specificity and accuracy

Keywords

Adnexal Masses; Conventional MRI; dynamic enhanced MR; diffusion-weighted (DWI) imaging

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