Gallbladder reporting and data system (GB-RADS) for risk stratification of gallbladder wall thickening on ultrasonography: an international expert consensus

Pankaj Gupta, Usha Dutta, Pratyaksha Rana, Manphool Singhal, Ajay Gulati, Naveen Kalra, Raghuraman Soundararajan, Daneshwari Kalage, Manika Chhabra, Vishal Sharma, Vikas Gupta, Thakur Deen Yadav, Lileshwar Kaman, Santosh Irrinki, Harjeet Singh, Yashwant Sakaray, Chandan Krishuna Das, Uma Saikia, Ritambhara Nada, Radhika SrinivasanManavjit Singh Sandhu, Raju Sharma, Nitin Shetty, Anu Eapen, Harmeet Kaur, Avinash Kambadakone, Robbert de Haas, Vinay K. Kapoor, Savio George Barreto, Atul K. Sharma, Amol Patel, Pramod Garg, Sujoy K. Pal, Mahesh Goel, Shraddha Patkar, Anu Behari, Anil K. Agarwal, Bhawna Sirohi, Milind Javle, Giuseppe Garcea, Flavio Nervi, Volkan Adsay, Juan Carlos Roa, Ho Seong Han

Research output: Contribution to journalReview articlepeer-review

2 Citations (Scopus)

Abstract

The Gallbladder Reporting and Data System (GB-RADS) ultrasound (US) risk stratification is proposed to improve consistency in US interpretations, reporting, and assessment of risk of malignancy in gallbladder wall thickening in non-acute setting. It was developed based on a systematic review of the literature and the consensus of an international multidisciplinary committee comprising expert radiologists, gastroenterologists, gastrointestinal surgeons, surgical oncologists, medical oncologists, and pathologists using modified Delphi method. For risk stratification, the GB-RADS system recommends six categories (GB-RADS 0–5) of gallbladder wall thickening with gradually increasing risk of malignancy. GB-RADS is based on gallbladder wall features on US including symmetry and extent (focal vs. circumferential) of involvement, layered appearance, intramural features (including intramural cysts and echogenic foci), and interface with the liver. GB-RADS represents the first collaborative effort at risk stratifying the gallbladder wall thickening. This concept is in line with the other US-based risk stratification systems which have been shown to increase the accuracy of detection of malignant lesions and improve management.

Original languageEnglish
Pages (from-to)554-565
Number of pages12
JournalAbdominal Radiology
Volume47
Issue number2
Early online date1 Dec 2021
DOIs
Publication statusPublished - Feb 2022

Keywords

  • Gallbladder cancer
  • Method
  • Scoring
  • Ultrasound
  • GB-RADS
  • risk stratification

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