GSTM1 and thrombotic thrombocytopenic purpura: Comatose state, decreased RBC, Hb and HCT. Platelet count: 60.000/mm3. LDH, AST and ALT levels were 10, 80 and 100 times higher the normal range. The diagnosis was thrombotic thrombocytopenic purpura and hemolytic uremic syndrome