| Biloma formation after radiofrequency ablation of hepatocellular carcinoma: incidence, imaging features, and clinical significance. | |
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MedLine Citation:
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PMID: 20966318 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: The objective of our study was to evaluate the frequency, morphologic patterns, temporal changes, and clinical significance of biloma after radiofrequency ablation (RFA) of hepatocellular carcinoma (HCC). MATERIALS AND METHODS: Between April 1999 and May 2008, 2,630 patients with HCC underwent a total of 3,284 sessions of RFA at our institution. We retrospectively reviewed all CT scans obtained before and after RFA in all patients. The frequency, morphologic patterns, temporal changes, and clinical course of biloma were studied at the thermal ablation zone after RFA. RESULTS: A total of 109 bilomas (3.3%, 109/3,284) developed after RFA in 104 patients in our series. The bilomas developed from 0 to 526 days (mean, 64 days) after RFA, and the mean follow-up period was 469 days (range, 0-2,703 days). The most common morphologic type of biloma was a crescent shape (42.2%). The mean size of the bilomas at initial presentation was 3.8 cm (range, 1.7-11 cm), and the mean size of the bilomas on the last follow-up CT scan was 2.8 cm (range, 0-6.3 cm). Fifty-three (48.6%) of the 109 bilomas resolved during follow-up at a mean interval of 286 days. In one patient, the biloma was considered a major complication because percutaneous drainage was required to manage the biloma with infection (0.9%, 1/109). No patient died of a biloma. CONCLUSION: The development of a biloma after percutaneous RFA in patients with HCC was not rare. However, in most cases they were a minor complication of no clinical significance. |
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Authors:
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Il Soo Chang; Hyunchul Rhim; Seong Hyun Kim; Young-sun Kim; Dongil Choi; Yulri Park; Hyo Keun Lim |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: AJR. American journal of roentgenology Volume: 195 ISSN: 1546-3141 ISO Abbreviation: AJR Am J Roentgenol Publication Date: 2010 Nov |
Date Detail:
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Created Date: 2010-10-22 Completed Date: 2010-12-02 Revised Date: 2010-12-15 |
Medline Journal Info:
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Nlm Unique ID: 7708173 Medline TA: AJR Am J Roentgenol Country: United States |
Other Details:
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Languages: eng Pagination: 1131-6 Citation Subset: AIM; IM |
Affiliation:
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Department of Radiology, Center for Imaging Science, Samsung Medical Center, Sungkyunkwan University School of Medicine, 50 Ilwon-dong, Gangnam-Gu, Seoul 135-710, Korea. [corrected] |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Aged, 80 and over Bile* Bile Ducts / injuries* Carcinoma, Hepatocellular / surgery* Catheter Ablation* Chi-Square Distribution Female Humans Incidence Liver Neoplasms / surgery* Male Middle Aged Postoperative Complications / epidemiology*, radiography* Retrospective Studies Tomography, X-Ray Computed* |
| Comments/Corrections | |
Erratum In:
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AJR Am J Roentgenol. 2010 Dec;195(6):1292 |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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