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Clinical Trial Summary

The present study aims to investigate the role of CEUS in evaluating liver lesions with atypical characteristics on contrast-enhanced CT or MRI. All patients enrolled in the study underwent contrast-enhanced ultrasound. Based on CEUS characteristics, atypical nodules will be categorized according to CEUS LI-RADS classification.


Clinical Trial Description

This retrospective study investigates the role of CEUS in evaluating liver lesions with atypical characteristics on contrast-enhanced CT or MRI. All patients enrolled in the study underwent contrast-enhanced ultrasound. All CEUS exams were performed, recorded, and analyzed by two experienced operators (>10 years of experience with abdominal US and CEUS). Based on CEUS characteristics, atypical nodules will be categorized according to CEUS LI-RADS (LR) classification. If the analyzed nodule shows a typical hallmark on CEUS (LR-5), that is arterial phase hyperenhancement with late-onset (>60 s) washout of mild intensity, it is definitively considered HCC and have been treated appropriately. Categories LR-3 and LR-4 comprise nodules with different combinations of arterial and venous phase enhancement features, expected to correspond to an intermediate or high probability of lesions to be HCC. Patients with LR-3 or LR-4 nodules underwent follow-up; in some cases they underwent biopsy. LR-M is used to classify high-probability malignant lesions but nonspecific for HCC; these nodules underwent biopsy for further characterization. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05772403
Study type Observational
Source Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Contact
Status Completed
Phase
Start date August 1, 2021
Completion date January 31, 2023

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