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Multilevel scoring systems based on ultrasound for differentiating between gallbladder adenomatous polyps and non-neoplastic polyps

  • 0Department of Medical Ultrasonics, Institute of Diagnostic and Interventional Ultrasound, The First Affiliated Hospital of Sun Yat-Sen University, No. 58 Zhongshan Er Road, Guangzhou 510080, People's Republic of China.
Clinical Radiology +

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August 12, 2025

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August 12, 2025

View abstract on PubMed

Summary

This summary is machine-generated.

New scoring systems using ultrasound and clinical data can differentiate gallbladder adenomas from non-neoplastic polyps. This helps reduce unnecessary surgeries for gallbladder polyps over 1.0 cm.

Area Of Science

  • Gastroenterology
  • Diagnostic Imaging
  • Surgical Oncology

Background

  • Gallbladder polyps ≥1.0 cm pose a diagnostic challenge, with adenomas requiring resection and non-neoplastic polyps often managed conservatively.
  • Distinguishing between adenomatous and non-neoplastic polyps is crucial to minimize unnecessary gallbladder resections (UNRR).

Purpose Of The Study

  • To develop and validate multilevel scoring systems integrating conventional ultrasound (US) and clinical characteristics.
  • To accurately differentiate gallbladder adenomas from non-neoplastic polyps ≥1.0 cm.
  • To reduce the UNRR for gallbladder polyps.

Main Methods

  • Retrospective analysis of 223 patients who underwent cholecystectomy for gallbladder polyps ≥1.0 cm.
  • Development of US-based and clinical-US scoring systems using logistic regression to identify risk factors.
  • Evaluation of model performance using sensitivity, specificity, positive predictive value, negative predictive value, and UNRR compared to current guidelines.

Main Results

  • The clinical-US scoring system, incorporating aspartate aminotransferase, total bile acid, polyp size, echogenicity, and gallstone presence, demonstrated superior discrimination compared to the US-only system.
  • Recommending cholecystectomy for patients in grade 2-4 of the clinical-US scoring system significantly reduced UNRR (83.4% vs 100.0%, P<0.001).
  • This approach maintained high sensitivity (0.979 vs 1.000, P>0.999) for detecting adenomatous polyps.

Conclusions

  • Multilevel scoring systems integrating clinical and conventional US features effectively differentiate gallbladder adenomatous polyps from non-neoplastic polyps ≥1.0 cm.
  • These scoring systems offer a valuable tool for optimizing surgical decision-making and reducing unnecessary gallbladder resections.

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