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  • Title: [Percutaneous alcoholization of a small hepatocarcinoma].
    Author: Lencioni R, Caramella D, Vignali C, Mazzeo S, Bagnolesi P, Cilotti A, Pinto F, Bartolozzi C.
    Journal: Radiol Med; 1992 Nov; 84(5):596-601. PubMed ID: 1282268.
    Abstract:
    Twenty-nine small hepatocellular carcinomas (sHCCs) less than 5 cm in diameter were treated with percutaneous ethanol injection (PEI) under US guidance in 24 cirrhotic patients. The nodules were treated on an outpatient basis with 6-18 ethanol injections; the total amount of alcohol delivered to each lesion was 10-103 ml. Twenty-seven of the 29 HCCs (93.1%) showed no evidence viable neoplastic tissue at a dynamic CT scan combined with multiple fine-needle biopsies performed one month after the end of treatment; in 10 cases MR confirmed the presence of necrosis showing marked hypointensity of the lesions in T2-weighted images. None of the 27 necrotized sHCCs recurred locally during a 4-44 months' follow-up period (mean 18 months). Two lesions larger than 4 cm showed incomplete response to treatment. No complications occurred after a total number of 264 alcohol injections. The 1-year survival rate in the 16 patients with a follow-up longer than 12 months was 93.7%. PEI proved to be a safe and effective treatment for sHCCs. In particular, PEI can be viewed as a reliable alternative to surgery in the management of nodules less than 3 cm in diameter, considering the operative hazards and the high risk of new lesions occurring in resected livers.
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