[Advances in the studies of concealed penis].

Concealed penis is usually found in children, which affects the patients both physiologically and psychologically. Some of the patients are wrongly treated by circumcision, which may bring about serious consequences to the sexual life of the patients in their adulthood. In the recent years, this disease has been receiving more and more attention from both doctors and parents.

[Application of tunica dartos flap coverage to tubularized incised plate urethroplasty].

Objective: To investigate the application of tunica dartos flap coverage to the prevention of urinary fistula in tubularized incised plate (TIP) urethroplasty.

Methods: This study included 140 cases of hypospadias following TIP urethroplasty, aged 1.9-22 (mean 5.

[Diagnosis and treatment of epididymal obstructive azoospermia by microsurgery].

Objective: To investigate the diagnosis and treatment of epididymal obstructive azoospermia (OA) by microsurgery.

Methods: We performed surgical scrotal exploration for 57 cases of OA whose obstruction was suspected to be in the epididymis. Those confirmed to be epididymal OA cases and with motile sperm in the epididymis underwent longitudinal-2-suture intussusceptive vasoepididymostomy (LIVES).