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The Korean Journal of Pathology 2002;36(5): 348-352.
Disseminated Systemic Candidiasis and Aspergillosis in a Liver Transplant Patient: An Autopsy Report.
Na Rae Kim, Dae Su Kim, Young Hyeh Ko, Sung Joo Kim
1Department of Diagnostic Pathology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea. yhko@smc.samsung.co.kr
2Department of General Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
ABSTRACT
Postoperative complications of liver transplantation include rejection, infection, hepatic vascular thrombus, and primary graft failure, etc. Among them, fungal infection shows nonspecific clinical symptoms and overlapping laboratory findings with variable etiologies causing post-transplant hepatic dysfunction. Therefore, early diagnosis of fungal infection is not easy. Here, we report an autopsy case of disseminated candidiasis and aspergillosis in a liver transplant patient. The case was at first misinterpreted as acute cellular rejection on biopsy because the histology of predominantly cellular infiltration, ductulitis and endothelialitis were similar to those of acute cellular rejection. On autopsy, the liver, lung and kidney showed multifocal hemorrhagic infarcts due to intra-arterial fungal emboli, which were composed mostly of candida species and a minor fraction of aspergillus. Fungal thrombi invading portal vein, intrahepatic arterioles with subsequent coagulation necrosis, venulitis and ductulitis were ascribed to the misdiagnosis on biopsies. It is unusual that systemic candidiasis, unlike aspergillosis, involves large arteries.
Key Words: Liver Transplantation; Candidiasis; Aspergillosis; Graft Rejection