About 99% of perianal abscesses are related to anal gland infection. Most of the normal anal glands are located between the internal and external anal sphincter, and the opening is located in the anal recess. When feces and bacteria enter the ana
1. Anal ultrasound (AUS) examination: for complex perianal purulent diseases, clinically undetermined abscess, anal ultrasound can be used to help determine the anatomical relationship between abscess and fistula and sphincter, and occasionally identi
The main symptoms of congenital choledochal cyst in children are abdominal pain, jaundice and abdominal mass, and some of them are found by chance in physical examination. 1、 Preoperative nursing preparation 1. Psychological aspect Because most
Only half of the rectum is in the abdominal cavity. The front and upper sides of the rectum are covered by thin and smooth peritoneum. There is an obvious depression between the front of the rectum and the male bladder or the female uterus. In me
