Figure 1: The change in laboratory investigation and the course of treatment. PLT, platelet; T-Bil, total bilirubin; WBC, white blood cell count; ALT, alanine aminotransferase; PE, plasmapheresis; G-CSF, granulocyte colony-stimulating factor; CsA, cyclosporine; ATG, anti-thymocyte globulin; mPSL, methylprednisolone; PSL, prednisolone.