Forty-four consecutive patients, without residual urine or infecttion, were operated upon for urinary stress incontinence by endoscopie suspension of the vesical neck. All patients had preoperative and post-operative lateral view cystograms which showed after operation substantial upward and forward elevation of the urethrovesical junction as measured by the posterior urethrovesical angle, the angle of urethral inclination, and elevation of the base of bladder. Despite a significant history of an urgency component to their incontinence in many patients, as well as 44 previous operations in 22 of the patients, a carefully performed cystometrogram and cholinergic sensitivity test were not helpful in detecting abnormalities of the detrusor muscle. Fourty-one patients were cured, and in three others, the condition was not cured, the failure group. The lateral view cystogram was the most diagnostic test in that two in the failure group did not show preoperatively the roentgenographic hallmark of stress urinary incontinence.