Fig. 1

Summary of the clinical course of the patient showing a continuous improving trend. The complication of thrombotic microangiopathy (TMA) with a transiently positive direct Coombs test was observed. A renal biopsy was performed on hospital day 18. The patient was discharged from the hospital on hospital day 44, after his serum creatinine level recovered to 2.0 mg/dL. In general, all clinical data (such as renal function, urinalysis abnormalities, and serum C3 level) showed a continuously improving trend