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- W2981856608 abstract "The impact of a wide surgical margin on the outcome of patients with hepatocellular carcinoma (HCC) has not been evaluated in relation to the type of liver resection performed, anatomical or non-anatomical. The aim of this study was to evaluate the impact of surgical margin status on outcomes in patients undergoing anatomical or non-anatomical resection for solitary HCC.Data from patients with solitary HCC who had undergone non-anatomical partial resection (Hr0 group) or anatomical resection of one Couinaud segment (HrS group) between 2000 and 2007 were extracted from a nationwide survey database in Japan. Overall and recurrence-free survival associated with the surgical margin status and width were evaluated in the two groups.A total of 4457 patients were included in the Hr0 group and 3507 in the HrS group. A microscopically positive surgical margin was associated with poor overall survival in both groups. A negative but 0-mm surgical margin was associated with poorer overall and recurrence-free survival than a wider margin only in the Hr0 group. In the HrS group, the width of the surgical margin was not associated with patient outcome.Anatomical resection with a negative 0-mm surgical margin may be acceptable. Non-anatomical resection with a negative 0-mm margin was associated with a less favourable survival outcome.El impacto de un margen quirúrgico (surgical margin, SM) amplio en el resultado de pacientes con carcinoma hepatocelular (hepatocellular carcinoma, HCC) no ha sido evaluado en relación con el tipo de resección hepática realizada: anatómica o no anatómica. El objetivo del presente estudio fue evaluar el impacto del estado del SM en los resultados en pacientes sometidos a resección anatómica o no anatómica por un HCC solitario. MÉTODOS: Los datos de pacientes con un HCC solitario sometidos a resección parcial no anatómica (grupo Hr0) o resección anatómica de un segmento de Couinaud (grupo HrS) entre 2000 y 2007 se obtuvieron a partir de una base de datos nacional de Japón. En los grupos Hr0 y HrS se evaluaron la supervivencia global y la supervivencia libre de recidiva asociadas al estado microscópico del SM y a la amplitud del SM.Se incluyeron un total de 4.457 pacientes en el grupo Hr0 y 3.507 en el grupo HrS. Un SM microscópico positivo se asoció con una pobre supervivencia global en ambos grupos. Un SM negativo, pero a una distancia de 0 mm se asoció con una peor supervivencia global y libre de recidiva en comparación con aquellos asociados a un SM más amplio, solo en el grupo Hr0. En el grupo HrS, la amplitud del SM no se asoció con los resultados del paciente. CONCLUSIÓN: La resección anatómica con un SM negativo a una distancia de 0 mm puede ser aceptable. La resección no anatómica con un SM negativo a una distancia de 0 mm se asoció con resultados de supervivencia menos favorables." @default.
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- W2981856608 date "2019-10-25" @default.
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- W2981856608 title "Significance of the surgical hepatic resection margin in patients with a single hepatocellular carcinoma" @default.
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- W2981856608 doi "https://doi.org/10.1002/bjs.11329" @default.
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