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Modified Mr Scoring System for Assessment of Sonographically Indeterminate Ovarian and Adnexal Masses in the Absence of Dynamic Contrast-Enhanced Publisher Pubmed



Moradi B1 ; Rahmani M1 ; Aghasi M2 ; Yarandi F3 ; Malek M1 ; Hosseini A1 ; Ghafouri K4 ; Hasan Zadeh Tabatabaei MS4 ; Shirali E3 ; Riahi Samani P1 ; Firouznia S5
Authors
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Authors Affiliations
  1. 1. Advanced Diagnostic and Interventional Radiology Research Center (ADIR), Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Advanced Diagnostic and Interventional Radiology Research Center (ADIR), Tehran University of Medical Science, Tehran, Iran
  3. 3. Department of Gynecologic Oncology, Women Yas Hospital Complex, Tehran University of Medical Science, Tehran, Iran
  4. 4. Advanced Diagnostic and Interventional Radiology Research Center (ADIR), School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
  5. 5. Second Faculty of Medicine, Charles University, Prague, 116 36, Czech Republic

Source: The British journal of radiology Published:2024


Abstract

OBJECTIVES: Dynamic contrast-enhanced (DCE) MRI is not available in all imaging centres to investigate adnexal masses. We proposed modified magnetic resonance (MR) scoring system based on an assessment of the enhancement of the solid tissue on early phase postcontrast series and diffusion-weighted imaging (DWI) with apparent diffusion coefficient (ADC) map and investigated the validity of this protocols in the current study. MATERIALS AND METHODS: In this cross-sectional retrospective study, pelvic MRI of a total of 245 patients with 340 adnexal masses were studied based on the proposed modified scoring system and ADNEX MR scoring system. RESULTS: Modified scoring system with the sensitivity of 87.3% and specificity of 94.6% has an accuracy of 92.1%. Sensitivity, specificity, and accuracy of ADNEX MR scoring system is 96.6%, 91%, and 92.9%, respectively. The area under the receiver operating characteristic curve for the modified scoring system and ADNEX MR scoring system is 0.909 (with 0.870-0.938 95% confidence interval [CI]) and 0.938 (with 0.907-0.961 95% CI), respectively. Pairwise comparison of these area under the curves showed no significant difference (P = .053). CONCLUSIONS: Modified scoring system is less sensitive than the ADNEX MR scoring system and more specific but the accuracy is not significantly different. ADVANCES IN KNOWLEDGE: According to our study, MR scoring system based on subjective assessment of the enhancement of the solid tissue on early phase postcontrast series and DWI with ADC map could be applicable in imaging centres that DCE is not available. © The Author(s) 2023. Published by Oxford University Press on behalf of the British Institute of Radiology. All rights reserved. For permissions, please email: journals.permissions@oup.com.