Histologic eosinophilia as an aid to diagnose acute cellular rejection after living donor liver transplantation

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Abstract

The significance of histologic eosinophilia in the diagnosis of acute cellular rejection (ACR) after living donor liver transplantation was evaluated. A retrospective analysis was performed on 185 liver biopsy specimens to determine the presence of eosinophil infiltration around the portal tracts. Data were collected and analyzed to determine whether there was a correlation between ACR and the maximum eosinophil counts per portal triad (Em) and the rate of portal triads that included at least one eosinophil (Er). A receiver operating characteristic curve revealed the best cut-off value of Em and Er as 2% and 8% respectively. The sensitivity and specificity of an Em of two to predict ACR were 54% and 84% respectively. The sensitivity and specificity of Er were 72% and 65% respectively. One-way analysis of variance revealed that both Em and Er correlated with ACR severity. Histologic eosinophilia can be a useful parameter for confirming the occurrence of ACR and for evaluating ACR severity.

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