Recently, we experienced a fatal case with liver failure. He has been obese since 6 years old. BMI at age 22, 32 and 34 were 33.0, 49.5 and 55.9, respectively. Liver injury was initially noticed in 2000, and he was admitted to Tokyo Women's Medical University Hospital for further evaluation at age 32. Liver histology revealed pericellular fibrosis, marked steatohepatitis and ballooning degeneration, compatible with NASH.
At age 34, consciousness disturbance and anuria suddenly developed, and he was transferred to Teikyo University Hospital. Laboratory data on admission demonstrated severe liver and renal failure, and he died soon after admission. Autopsy findings of the liver were compatible with liver cirrhosis, with minimal fat deposition. Based on the previous findings, the etiology of cirrhosis was diagnosed as NASH. It should be notable that NASH in adolescence could result in very poor prognosis like this patient.
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