An unusual cause for Post-Renal transplant hematuria and proteinuria: A retained Double-J catheter

In this paper, we report a rare cause for post­kidney transplant proteinuria and hematuria. A 52-year-old man, a known case of end-stage renal disease (ESRD) due to polycystic kidney disease, who had undergone kidney transplant­tation presented to our clinic with dysuria and frequency associated with hematuria (8-10 RBC on urinalysis) and pyuria (WBC: 8-10 in urinalysis), two months after transplantation.