• Patient with recent liver transplant presents weeks later with fever, eosinophilia (in a patient taking prednisone where we would otherwise expect low eosinophils), elevated LFTs and a biopsy showing a mononuclear infiltrate with eosinophils in the hepatic triads, consistent with allograft rejection
• Key idea: Graft eosinophilia is a sensitive and specific marker of acute rejection in liver allografts (https://www.ncbi.nlm.nih.gov/pubmed/9724472)

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