They are the same thing.
Anal and rectal fistulas are usually caused by an abscess.
Miles surgery is performed primarily for rectal cancer or even anal carcinoma. especially rectal cancer of late stage or the one's located closer to the anus would .In this procedure the rectum and anus is resected, and a colostomy would act as a false anal opening.
The anal rectal ridge, also known as the anorectal junction, is located at the boundary between the rectum and the anal canal. It marks the transition area where the rectal mucosa changes to the stratified squamous epithelium of the anal canal. This ridge plays a role in the anatomy and function of the anal sphincter and is important for maintaining continence.
Cancer and hemorrhoids are completely two different terms. If proper care and treatment is not taken and hemorrhoids get worse then it can turn into gangrene. Both colorectal and anal cancer have symptoms which may cause them to be mistaken for far more benign diseases, like hemorrhoids. The biggest difference between the symptoms of hemorrhoids and those of colorectal cancer is that rectal bleeding from colorectal cancer will most likely be dark and/or already hardening while hemorrhoidal bleeding is usually bright red and very fresh. If you want to know more about the relation between Cancer and Hemorrhoids, you can read:
Some common diseases of the anus include hemorrhoids (swollen blood vessels in the rectal area), anal fissures (tears in the lining of the anal canal), and anal abscesses (infected pockets of pus near the anus). Other conditions like anal cancer, anal warts (caused by HPV), and anal fistulas (abnormal passages between the anus and skin) can also affect the anal region.
Anal cancer and colon cancer are not exactly the same thing. Colon cancer occurs in the colon, also known as the large intestine. It usually occurs as the result of malignant (cancer) degeneration of a precancerous lesion known as a polyp. Anal cancer occurs in the anal canal. A different type of cell lines the anal canal and thus, it is a different type of cancer. They metastasize (spread) differently and are treated in somewhat different ways depending on the cell type involved.
code for rectal or anal mass is 787.99 according to 2012 icd-9-cm
Rectal examination is performed by means of inserting a gloved, lubricated finger into the rectum and palpating (feeling) for lumps
569.0 Anal and rectal polyp
rectal compulsive nitpicking
There are no symptoms of rectal cancer that are specific to rectal cancer. However, signs that you may have rectal cancer include itching, bleeding, pain or the formation of a growth. Please note that these symptoms are also symptoms of less life threatening conditions.
Oral is by the mouth Anal is by the anus