Fig. 26
From: Post-treatment MRI aspects of photodynamic therapy for prostate cancer
Urethral necrosis. Right photodynamic therapy in a 60-year-old patient with a PSA level of 12.9 ng/ml and Gleason 6 adenocarcinoma (positive base biopsies, right middle prostate). Day-7 post-treatment axial (a) and sagittal (b) T1 FS contrast-enhanced MR images do not show the normal periurethral ring of enhancement; the patient developed acute urinary retention treated by urinary catheter