Periurethral injection of ADRC. After dilation needle for injection introduced into urethra using endoscope. Urethra punctured several times circle-wise at the region of stricture at depth of 5 mm under endoscopic vision and 0.3-0.5 mL of ADRC suspension injected submucosally each time. Total volume of solution injected depends on stricture length and technical possibilities. Minimal injected volume - 3 mL, maximal - 4.5 ml. After fat micrograft injected, urethral balloon catheter placed and removed the following day.