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O-RADS MRI Calculator

Disclaimer: The author makes no claims of the accuracy of the information contained herein; this information is for educational purposes only and is not a substitute for clinical judgment. This calculator is based upon the American College of Radiology (ACR) classification, but this calculator is not officially endorsed by the ACR. Kindly refer to the ACR website for latest updates.

Menupausal Status?

You can hover over/click a few tabs for illustrations for eg. Time intensity curves.

More useful tools:


  1. O-RADS MRI Risk Stratification System: Guide for Assessing Adnexal Lesions from the ACR O-RADS Committee Elizabeth A. Sadowski, Isabelle Thomassin-Naggara, Andrea Rockall, Katherine E. Maturen, Rosemarie Forstner, Priyanka Jha, Stephanie Nougaret, Evan S. Siegelman, and Caroline ReinholdRadiology 2022 303:1, 35-47
  2.  Mohamadian A, Moradi B. Simplified Approach for Ovarian-Adnexal Reporting and Data System MRI Risk Stratification System. Korean J Radiol. 2022 Nov;23(11):1115-1117. Download with Abstract 

This page was last updated on Mar 18, 2024 @ 9:36 pm

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