Primary membranous nephropathy is a type of kidney disease that affects the natural filtration process, resulting in excess protein output. When left untreated, kidney failure may develop.

尿道括约肌可分为两部分：尿道内括约肌（英语：internal sphincter muscle of internal sphincter muscle of urethra），尽管它们并不环绕尿道。继续沿着尿道找可以找到骨骼肌括约肌，即尿道外括约肌（英语：external urethral sphincter，也称sphincter of the membranous urethra）。

An enlarged prostate is the primary cause of urinary tract blockage but other conditions can cause it as well. It tends to occur in men over 60 years of age. A urethral stricture is a narrowing of the ...

meatal stenosis (narrowing of the urethral opening), and urethral stricture (narrowing due to scar tissue). Other potential causes are enlarged prostate, urinary tract infections, and even kidney ...

The finding of a colonic stricture in a patient with colitis raises the possibility of neoplasia. Unlike in Crohn's disease, benign strictures in UC are rare and historically have been managed ...

Esophageal dilation is a treatment to help stretch, or dilate, abnormal narrowings found in the esophagus. These narrowings are called strictures and can occur from a variety of health problems. They ...

Dr C Gelbmann, Department of Internal Medicine I, University of Regensburg, 93042 Regensburg, Germany. BACKGROUND/AIMS Intestinal fibrosis and stricture formation is an unresolved problem in Crohn’s ...

ABSTRACT: Introduction: In the presence of renal cavities dilatation with or without renal insufficiency, or in the presence of a risk of extrinsic or intrinsic occlusion of the ureteral lumen, the JJ ...