ArticleJournal of gastrointestinal oncology2025
Quantitative assessment of multi-phase contrast-enhanced CT features in hepatic epithelioid hemangioendothelioma.
Article in Journal of gastrointestinal oncology, 2025. 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: Hepatic epithelioid hemangioendothelioma (HEH) is a rare vascular malignancy with imaging features often overlapping with hepatic metastatic tumors (HMTs), leading to frequent misdiagnosis. Current diagnostic reliance on qualitative imaging signs lacks specificity, while biopsy-the gold standard-is invasive and impractical for multifocal lesions. The study aimed to assess the diagnostic performance of multi-phase contrast-enhanced computed tomography (CECT) in differentiating HEH from HMT. Methods: This retrospective comparative study included 33 patients (mean age: 42.06 years; male: 27.27%) with histologically confirmed HEH and 36 patients (mean age: 64.22 years; male: 66.67%) with HMT between January 2017 and July 2024. Only non-coalescent hepatic lesions at the time of the initial emergence were analyzed to avoid confounding imaging features. Quantitative parameters including contrast enhancement ratio (CER), lesion-to-liver contrast ratio (LLC), arterial phase related absolute and relative percentage washout (APW Results: The study found that APW Conclusions: Multiphase CECT-derived parameters, particularly APW
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