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Ultrasonography01:17

Ultrasonography

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Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
During an ultrasonography procedure, a handheld device called...
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Quantitative Analysis of the O-RADS Classification Using Ultrasound Scoring Method (USM) and Its Application

Ju Lu1, Chen Cheng1, Mu Cheng2

  • 1Ultrasound Diagnosis Department, Maternal and Child Health Hospital of Hubei Province, Wuhan, China.

Journal of Clinical Ultrasound : JCU
|October 11, 2025
PubMed
Summary
This summary is machine-generated.

The ultrasound scoring method (USM) and O-RADS classification show high accuracy in diagnosing adnexal tumors. Quantifying O-RADS with USM offers a user-friendly approach for clinicians, improving diagnosis and treatment guidance.

Keywords:
O‐RADSadnexal tumorultrasoundultrasound scoring method

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Area of Science:

  • Gynecologic oncology
  • Diagnostic imaging
  • Medical informatics

Background:

  • Adnexal tumors require accurate differentiation between benign and malignant conditions for optimal patient management.
  • Current diagnostic methods, including O-RADS classification, aim to improve diagnostic accuracy but can benefit from quantitative approaches.

Purpose of the Study:

  • To quantify the O-RADS (Ovarian-รกdical-รกssessment-รกnd-รกeporting-รกystem) classification using the ultrasound scoring method (USM).
  • To evaluate the clinical application value and diagnostic performance of USM-quantified O-RADS in differentiating adnexal tumors.

Main Methods:

  • A retrospective analysis of 244 adnexal tumor cases (2018-2023) confirmed by ultrasound and pathology.
  • O-RADS classification performed by a senior physician; USM applied by another physician.
  • ROC curve analysis to determine sensitivity, specificity, and AUC for both methods; Delong test for comparison.

Main Results:

  • USM achieved a sensitivity of 0.951, specificity of 0.877, and AUC of 0.975.
  • O-RADS classification achieved a sensitivity of 0.984, specificity of 0.887, and AUC of 0.973.
  • No statistically significant difference in diagnostic performance (AUC) between USM and O-RADS (p=0.87).

Conclusions:

  • Both USM and O-RADS classification demonstrate high diagnostic efficacy for adnexal tumors.
  • Quantifying O-RADS categories with USM provides an intuitive, convenient method for physicians of all levels.
  • This approach shows strong generalizability and aids in guiding clinical diagnosis and treatment decisions.