Increased residual bladder volume

Urinary retention is a clinical manifestation of benign prostatic hyperplasia, which is characterized by aggravation of the obstruction to a certain degree. When urinating, all urine in the bladder cannot be exhausted, and residual bladder urine appears. Benign benign prostatic hyperplasia (BPH) is mainly due to different degrees of glandular and / or fibrous and muscular tissue hyperplasia caused by the elderly's sex hormone metabolism, which causes the prostate to increase in volume, destroy normal structures and cause a series of dysfunctional diseases.