ArticleCardiovascular and interventional radiology2026
CT Hepatic Arteriography for Improved Detection and Ablation of Occult HCC Nodules: A Retrospective Analysis.
Article in Cardiovascular and interventional radiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Procedural Micro-Costing of Single-Room Transcatheter CT Hepatic Angiography for Microwave Liver Ablation.Cardiovascular and interventional radiology · 2026Article
- Technical and clinical outcomes of microwave ablation for HCC: a single-center retrospective analysis of percutaneous ultrasound-guided, intraoperative ultrasound-guided and CT hepatic arteriography-guided approaches.La Radiologia medica · 2026Article
- Adjunctive Techniques for Optimizing Percutaneous CT-Guided Cryoablation of Renal Tumours.Cancers · 2026Review
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Authors and funding
10 authors.
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Abstract
purposeAccurate preprocedural imaging is crucial for optimizing percutaneous thermal ablation of hepatocellular carcinoma (HCC) thermal ablation. However, some nodules may remain undetected using conventional contrast-enhanced CT (CECT) and MRI (CEMRI), due to poor conspicuity. CT hepatic arteriography (CTHA) is an imaging technique that improves the detection of primary/secondary liver tumors. We aimed to assess the diagnostic performance of CTHA in detecting occult HCC nodules in cirrhotic patients undergoing percutaneous microwave ablation and to evaluate its impact on pretreatment planning. MATERIALS AND
methodsThis retrospective, single-center study analyzed 38 CTHA-guided ablation procedures performed in 35 cirrhotic patients with confirmed HCC, from November 1, 2022, to December 31, 2024. All patients underwent preprocedural CECT /CEMRI within eight weeks before ablation. The number of additional nodules detected by CTHA and their suitability for immediate ablation were assessed.
resultsCTHA identified seven occult HCCs in 6/38 procedures (15.8%). The mean size of newly detected lesions was 13 mm (IQR 9). All additionally detected nodules were ablated during the same sessions. In 4/38 CTHAs (10.5%), vascular variants precluding a whole liver opacification were encountered. Technical success was achieved in 93.1% of all procedures, with a low rate of grade 1-3 complications (18.4%) and no severe ones. Eight treatments (21.6%) were followed by disease progression apart from the ablation zone.
conclusionCTHA enhances occult HCC detection, enabling immediate ablation and potentially improving outcomes. However, unusual vascular anatomy may hinder a comprehensive liver evaluation.
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