Cyclophosphamide Induced Cystitis
Cyclophosphamide induced cystitis.  This patient presented with gross hematuria after recent treatment with cyclophosphamide. Cyclophosphamide is excreted by the kidney. The direct contact with the bladder mucosa leads to cystitis. Approximately 10% of patients on this drug have this complication. The figure rises to 40% for those patients receiving high-dose treatment.