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O-RADS Ultrasound Calculator v2022

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 or reviewed by the ACR committee. Kindly refer to the ACR website for latest updates.

The basic outline for the ORADS US calculator based on the 2022 guidelines is ready. I am currently working on improving it.


Ovarian lesions










Quick References:
O-RADS US Assessment Categories Tables
Assessment Categories – Algorithm
O- RADS US Lexicon Terms Table


The O-RADS (Ovarian-Adnexal Reporting and Data System) ultrasound calculator is a tool designed to assist radiologists and healthcare professionals in the assessment and risk stratification of adnexal masses. D

What is the O-RADS Ultrasound Calculator?

The O-RADS ultrasound calculator is a web-based application that incorporates the ACR’s O-RADS risk stratification system. By inputting relevant imaging findings, the calculator assigns a numerical score ranging from 0 to 5, each representing a specific level of risk for malignancy.

O-RADS ScoreRisk CategoryPositive Predictive Value (PPV) for Malignancy
0Incomplete EvaluationN/A
1Normal OvariesN/A
2Almost Certainly Benign< 0.5%
3Low Riskโ‰ˆ 5%
4Intermediate Riskโ‰ˆ 50%
5High Riskโ‰ˆ 90%

The assigned score is based on a comprehensive analysis of various ultrasound features, including lesion morphology, solid components, and vascular flow characteristics.

Benefits of the O-RADS Ultrasound Calculator

  1. Standardized Reporting: The calculator promotes consistent and standardized reporting of adnexal masses, facilitating clear communication among healthcare professionals.
  2. Risk Stratification: By assigning a numerical score, the calculator helps stratify the risk of malignancy, guiding appropriate management and follow-up strategies.
  3. Improved Patient Care: The calculator aids in identifying high-risk lesions that may require prompt intervention, while also reducing unnecessary procedures for low-risk lesions.
  4. Educational Resource: The calculator serves as a valuable educational tool, assisting in the training of radiology residents and fellows in adnexal mass assessment.
  5. Research Facilitation: The standardized reporting system enables multicenter collaborations and facilitates research efforts in ovarian cancer and adnexal pathologies.

How to Use the O-RADS Ultrasound Calculator

The O-RADS ultrasound calculator is user-friendly and can be accessed through various platforms, including web browsers and mobile applications. Here’s a general overview of the steps involved:

  1. Perform a detailed ultrasound evaluation of the adnexal mass, documenting relevant imaging features.
  2. Access the O-RADS ultrasound calculator and input the required information, such as lesion morphology, solid components, and vascular flow characteristics.
  3. Review the assigned O-RADS score and its corresponding risk category.
  4. Interpret the results in conjunction with clinical findings and refer to the ACR’s management recommendations for appropriate patient care and follow-up.

Conclusion

The O-RADS ultrasound calculator is a powerful tool that streamlines the assessment and management of adnexal masses. By promoting standardized reporting and risk stratification, it represents a significant step forward in improving patient outcomes and advancing research in ovarian and adnexal pathologies. As the adoption of this calculator continues to grow, healthcare professionals can expect enhanced interdisciplinary communication, more informed clinical decision-making, and ultimately, better patient care.

For some reason the preferred search term for O-RADS is o’rads. Probably an indexing error from Google.

References:

  1. O-RADS US Risk Stratification and Management System: A Consensus Guideline from the ACR Ovarian-Adnexal Reporting and Data System Committee.
  2. A simplified approach to ovarian lesions based on the O-RADS US risk stratification and management system

Last updated on March April 9,2024

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