排尿困难是指排尿费力和排尿迟缓,常伴有各种排尿不适的症状。其涉及范围广,是泌尿外科领域里的难题之一。一、病因 (一)机械性梗阴:①膀胱颈部以下的机械性梗阻病变、如膀胱颈挛缩、前列腺增生、尿道狭窄(外伤性、炎症性、结核性、医源性和先天性)、后尿道瓣膜、尿道结石、尿道憩室、包茎以及 Dysuria refers to urination laborious and slow urination, often accompanied by a variety of urinary symptoms. It involves a wide range of urological problems in the field. First, the etiology (a) mechanical stem yin: ① below the bladder neck mechanical obstruction lesions, such as bladder neck contracture, benign prostatic hyperplasia, urethral stricture (traumatic, inflammatory, tuberculous, iatrogenic and congenital) Posterior urethral valve, urethral calculus, urethral diverticulum, phimosis, as well