Objective:To investigate the effect of acellular dermal matrix filled in infrapubic space combined with liposuction and penile suspensory ligament release for the treatment of concealed penis.Methods:The clinical data of 15 patients with concealed penile admitted to the Department of Urology, Peking University People’s Hospital, and Department of Surgery, Beijing Eden Hospital, from October 2015 to July 2018 were retrospectively analyzed. The age was (33.2±4.6) years, and the body mass index (BMI) was (28.9±5.3) kg/m 2. The average length of the penises in the standing and non-erectile position was (3.0±1.3) cm. The patients were treated with acellular dermal matrix fillers combined with traditional liposuction and penile suspensory ligament release. Results:The length of the penises was (7.3±2.1) cm postoperatively, which increased by (4.3±1.6) cm (143.3% increase). The length of the penises was (5.4±1.8) cm after 3 months, which increased by (2.4±0.8) cm (80% increase). Penile length was increased significantly after surgery ( t=13.439, P<0.05). Postoperative complications included 9 cases of edema (60.0%), 7 cases of ecchymosis (46.7%), 1 case of hematoma (6.7%), and 1 case of poor foreskin wound healing (6.7%). Four patients had no complications after surgery. No patients had postoperative difficulties in sexual intercourse or urination. Most patients were subjectively satisfied with the results of surgery. Ten patients (66.7%) were very satisfied, four patients (26.6%) were satisfied, and no patients were dissatisfied with postoperative penile appearance and function. Conclusions:The new method of acellular dermal matrix filled in infrapubic space combined with traditional liposuction and penile suspensory ligament release is safe and effective for penis length increase.

Objective:To investigate the effect of acellular dermal matrix filled in infrapubic space combined with liposuction and penile suspensory ligament release for the treatment of concealed penis.Methods:The clinical data of 15 patients with concealed penile admitted to the Department of Urology, Peking University People’s Hospital, and Department of Surgery, Beijing Eden Hospital, from October 2015 to July 2018 were retrospectively analyzed. The age was (33.2±4.6) years, and the body mass index (BMI) was (28.9±5.3) kg/m 2. The average length of the penises in the standing and non-erectile position was (3.0±1.3) cm. The patients were treated with acellular dermal matrix fillers combined with traditional liposuction and penile suspensory ligament release. Results:The length of the penises was (7.3±2.1) cm postoperatively, which increased by (4.3±1.6) cm (143.3% increase). The length of the penises was (5.4±1.8) cm after 3 months, which increased by (2.4±0.8) cm (80% increase). Penile length was increased significantly after surgery ( t=13.439, P<0.05). Postoperative complications included 9 cases of edema (60.0%), 7 cases of ecchymosis (46.7%), 1 case of hematoma (6.7%), and 1 case of poor foreskin wound healing (6.7%). Four patients had no complications after surgery. No patients had postoperative difficulties in sexual intercourse or urination. Most patients were subjectively satisfied with the results of surgery. Ten patients (66.7%) were very satisfied, four patients (26.6%) were satisfied, and no patients were dissatisfied with postoperative penile appearance and function. Conclusions:The new method of acellular dermal matrix filled in infrapubic space combined with traditional liposuction and penile suspensory ligament release is safe and effective for penis length increase.