Anorectal medicine looks at diseases in the area between 8 and 12cm from the anal opening to the rectum, including the anal opening, anal canal and rectum.
1. Common diseases of the anus: diseases such as hemorrhoids (internal, external, mixed, etc.), anal fissures, anal fistulas, perianal abscesses and rectal prolapse, rectal polyps, and sinusitis. Most of these diseases are treated with medications combined with surgery and require lifestyle improvements.
2. Malignant tumors of the anus and colorectum: such as colon cancer, rectal cancer and anal canal cancer. These diseases usually require complete surgical resection and should be supplemented with radiotherapy if necessary. Commonly used chemotherapeutic drugs include furanouracil, cisplatin and so on.
3. Constipation: such as outlet obstruction type constipation, sexual efferent constipation and mixed constipation. The treatment of constipation is based on conservative treatment.
4. Perianal eczema, perianal warts and other perianal skin diseases, some hospitals and patients also in the anorectal department.