ArticleAbdominal radiology (New York)2026
Inter-reader agreement for the assessment of portal vein thrombosis on computed tomography.
Article in Abdominal radiology (New York), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
BACKGROUND AND
aimsTo evaluate the inter-reader reliability of CT-based measurements of portal vein thrombosis (PVT) to support the development of standardized response criteria endorsed by the Vascular Liver Disease Group (VALDIG) group.
methodsIn this retrospective bi-centric study, 44 patients with PVT who underwent contrast-enhanced CT (2020-2024) were included. Two independent abdominal radiologists evaluated thrombus characteristics using pre-specified standardized measurements on portal venous phase CT acquisition. For the analysis of the main PVT, quantitative continuous measurement included thrombus length, thickness, and remnant lumen assessment based on diameter (%RL
resultsInter-reader agreement for thrombus thickness and length yielded ICC values of 0.92 and 0.84 respectively. Agreement was highest for diameter-based remnant lumen assessment (%RL
conclusionsDiameter-based quantitative assessment of PVT on CT demonstrates higher inter-reader reproducibility than surface-based measurements. The three-tier diameter-based categorization achieved substantial agreement and aligns with current hepatology guidelines, supporting its applicability in clinical practice and research settings.
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