Resumen

KOZIMA, Shigeru et al. Hepatocellular carcinoma: computed tomography assessment after invasive treatment. Rev. argent. radiol. [online]. 2008, vol.72, n.4, pp.415-421. ISSN 1852-9992.

Objetive: To show the computed tomography (CT) usefulness after treatment with transcatheter arterial quimioembolization and radiofrequency ablation of hepatocellular carcinoma. Material and methods: In a period between march 2006 to april 2008 a total of 90 patient presenting 148 nodular lesions with diagnosis of hepatocellular carcinoma were controlled with triphasic CT. All the lesions were treated with minimally invasive procedure. For the treatment, the patients were classified in two groups following Milan criteria. The first group, constituted by 75 patients with 109 nodules, was treated with quimioembolization. The second group, of 15 patients with 25 nodules, was treated with radiofrequency ablation. In our population, a subgroup of 10 patients was treated with both methods. Results: Of 90 patients after CT control on a month, 3 months and for each 3 months during 2 years, on 63 cases (70%) was observed homogeneous accumulation of iodized oil, parcial defect without enhancement or absence of enhancement on treated lesions. In these patients a new treatment after initial one was not performed. The remaining 27 patients (30%) underwent new treatment because we founded partial defect or absence of iodized oil with enhancement or peripheral enhancement on arterial phase in treated lesions. In this last group, 16 treated patients (17.7%) had new nodular enhancement on the remaining hepatic parenquimal. Conclusion: The CT unenhanced and the arterial phase on a month and for each 3 months, allow monitoring the effectivenes, residual disease and/or relapse of hepatocellular carcinoma after minimally invasive treatment.

Palabras clave : Hepatocarcinoma; Tomografía computada; Ablación por radiofrecuencia; Quimioembolización; Hepatocarcinoma; Computed Tomography; Radiofrequency ablation; Quimioembolization.

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