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Laparoscopic Radiofrequency Ablation for Large Subcapsular Hepatic Hemangiomas: Technical and Clinical Outcomes.


ABSTRACT: OBJECTIVES:The aim of this study was to evaluate the technical and clinical outcomes of using laparoscopic radiofrequency (RF) ablation for treating large subcapsular hepatic hemangiomas. METHODS:We retrospectively reviewed our sequential experience of treating 124 large subcapsular hepatic hemangiomas in 121 patients with laparoscopic RF ablation. RESULTS:The mean diameter of the 124 hemangiomas was 9.1 ± 3.2 cm (5.0-16.0 cm). RF ablation was performed successfully in all patients. There were 55 complications related to the ablation in 26 patients, including 5 of 69 (7.3%) patients with hemangioma <10 cm and 21 of 52 (40.4%) patients with hemangiomas ?10 cm (P < 0.001). No injuries to abdominal viscera occurred in all the 121 patients. According to the Dindo-Clavien classification, all the complications were minor in 26 patients (Grade I). Out of 124 hepatic hemangiomas, 118 (95.2%) were completely ablated, including 70 of 72 (97.2%) lesions < 10 cm and 48 of 52 (92.3%) lesions ? 10 cm (P = 0.236). CONCLUSION:Laparoscopic RF ablation therapy is a safe, feasible and effective procedure for large subcapsular hepatic hemangiomas, even in the hepatic hemangiomas ? 10 cm. Its use avoids thermal injury to the abdominal viscera.

SUBMITTER: Gao J 

PROVIDER: S-EPMC4765839 | BioStudies | 2016-01-01

REPOSITORIES: biostudies

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