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Heterogeneous living donor hepatic fat distribution on MRI chemical shift imaging
Annals of Surgical Treatment and Research ; : 37-42, 2015.
Artigo em Inglês | WPRIM | ID: wpr-57050
ABSTRACT

PURPOSE:

We evaluated the heterogeneity of steatosis in living donor livers to determine its regional differences.

METHODS:

Between June 2011 and February 2012, 81 liver donors were selected. Fat fraction was estimated using magnetic resonance triple-echo chemical shifting gradient imaging in 13 different regions segment 1 (S1), S2, S3, and each peripheral and deep region of S4, S5, S6, S7, and S8.

RESULTS:

There were differences (range, 3.2%-5.3%) in fat fractions between each peripheral and deep region of S4, S6, S7, and S8 (P < 0.001, P = 0.004, P < 0.001, and P = 0.006). Fat deposit amount in S1, S2, S3 and deep regions of S4-S8 were significantly different from one another (F [4.003, 58.032] = 8.684, P < 0.001), while there were no differences among the peripheral regions of S4-S8 (F [2.9, 5.3] = 1.3, P = 0.272) by repeated measure analysis of variance method. And regional differences of the amount of fat deposit in the whole liver increased as a peripheral fat fraction of S5 increased (R2 = 0.428, P < 0.001).

CONCLUSION:

Multifocal fat measurements for the whole liver are needed because a small regional evaluation might not represent the remaining liver completely, especially in patients with severe hepatic steatosis.
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Doadores de Tecidos / Características da População / Imageamento por Ressonância Magnética / Transplante de Fígado / Doadores Vivos / Fígado Gorduroso / Sítio Doador de Transplante / Fígado Limite: Humanos Idioma: Inglês Revista: Annals of Surgical Treatment and Research Ano de publicação: 2015 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Doadores de Tecidos / Características da População / Imageamento por Ressonância Magnética / Transplante de Fígado / Doadores Vivos / Fígado Gorduroso / Sítio Doador de Transplante / Fígado Limite: Humanos Idioma: Inglês Revista: Annals of Surgical Treatment and Research Ano de publicação: 2015 Tipo de documento: Artigo