Rectal and anal stenosis

Rectal and anal stenosis refers to anal, anal canal, and rectal lumen diameters becoming thinner, deformed, or varying degrees of intestinal obstruction. It is called anal and rectal stenosis. Due to the different stenoses, there are anal stenosis and rectal stenosis (mostly 2.5-5 cm above the dentate line or rectal ampulla). The stenosis is often within 10 cm, which is related to the nature of the primary lesion. The upper end of the stenosis is dilated and the stenosis continues. Erosion. Ulcers, seizures, or replacement by other tissues. This disease usually provides important information through digital diagnosis, but the upper lesion is hidden, and multiple examinations should be performed to make a correct diagnosis.