Bladder neck stenosis (another name: contracture, sclerosis of the bladder neck, Marion’s disease) is a violation of the patency of the internal opening of the urethra, which occurs as a result of hypertrophy of muscle cells in the wall of the bladder.
Types of stenosis of the bladder neck
There are congenital and acquired stenoses of the bladder neck, and the disease has a polyetiological character.
The main symptoms of bladder neck stenosis
Clinical manifestations of the disease, regardless of etiology. are the same and consist of signs of difficulty urinating up to complete urinary retention and paradoxical ischuria.
I stage of the disease is characterized by a slight difficulty in urination, the absence of residual urine and dysfunction of the upper urinary tract.
Stage II differs in that, against the background of aggravation of the clinical manifestations of the disease, residual urine appears, vesicoureteral reflux is determined with the expansion of the ureters and renal pelvis, there is a slight decrease in functional renal parameters.
Stage III is manifested by chronic urinary retention in the form of paradoxical ischuria, bilateral ureterohydronephrosis with a pronounced decrease in kidney function.
Treatment of bladder neck stenosis
The most appropriate treatment is incision of the bladder neck.
Surgery is also carried out.
The effectiveness of treatment is above 90%.