DISORDERS OF THE ANAL CANAL
DISORDERS OF THE ANAL CANAL Disorders of the rectum and anal canal along with their symptoms, management, and investigations: Haemorrhoids Painful protrusion of the anal mucosa due to constipation and hard stools. Predisposing factors: Low-fiber diet, dehydration, pregnancy, colon cancer, HIV/AIDS, other painful anal conditions. Types: First degree : Internal, no protrusion. Second degree : Protrude during defecation but retract. Third degree : Remain protruded, may thrombose. Complications: Bleeding, thrombosis, ulceration. Management: High-fiber diet, stool softeners; haemorrhoidectomy for third degree. Anal Fissure Painful anal tear caused by hard stool and poor hygiene. Management: Manual dilatation, fissure scraping with nitroglycerin injection, sitz baths. Anal Fistula Fibrous tunnel from rectum/anal canal to skin, causing drainage and pain. Causes: Poorly managed abscess, HIV/AIDS, diabetes. Classification: Low-level (below internal sphincter), high-level (involves inte