Transformation of erythrocytosis associated with renal cyst to polycythemia vera.
D000368:Aged; D002066:Busulfan / Q000627:therapeutic use; D006801:Humans; D052177:Kidney Diseases, Cystic / Q000150:complications / Q000473:pathology* / Q000628:therapy; D008297:Male; D011086:Polycythemia / Q000150:complications / Q000473:pathology* / Q000628:therapy; D011087:Polycythemia Vera / Q000209:etiology / Q000473:pathology*
D002066:Busulfan