Purpose To review our experience of urinary tract scars by MRIin male patients with urinary tract scars and to guide relevant to everyday clinical setting.Materials and methods 12patients with urinary tract scars were consecutively analyzed from June, 2007 to October, 2008 by radiologist.The protocol was designed on axial T1 weighted, T2 weighted, short inversion recovery (STIR), and sagittal T2 weighted by intravenous administrastion of Gd-DTPA.In control subject groups of operation findings.Results All patients, a correct diagnosis should be not made by other imaging modalities.Periurethral fibrosis of 12 patients were demonstrated on MRI.7 of 12 patients underwent follow-up MRI.5 patients was recurrence in fibrosis except for 2 patients.There were five urethrolysis with clinical symptoms.There was good correlation in urethrolysis between quantitant scar tissue and MRI findings.Conclusions MRIcan provide definitive diagnosis in urethral and periurethral fibrosis in male patients when correct diagnosis can not be made by other diagnostic approach.