Abstract
All-trans retinoic acid (ATRA) is the standard induction treatment for acute promyelocytic leukemia (APL). Renal involvement sometimes necessitates a dose reduction or discontinuation of induction therapy for hematological malignancies. We report here on a case of APL that achieved complete remission with low-dose ATRA treatment despite the patient's acute renal failure. A 42-year-old woman presented with a 2 month history of ecchymosis and she was subsequently diagnosed with APL. During induction treatment with ATRA and idarubicin, oliguria developed and her azotemia rapidly progressed. Because of the progressive deterioration in her general condition, the patient was transferred to the intensive care unit. We started renal replacement therapy for her acute renal failure and we discontinued ATRA treatment. Her urine output started to increase, and there was an improvement in the patient's general condition. We resumed low-dose ATRA treatment. She achieved complete remission after 52 days of treatment.
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