What is ANOSCOPY?
Anoscopy is a simple procedure which help a physician to identify abnormality in gastrointestinal tract mostly in anus, anal canal and rectum. During this test the physician will insert a small tube just into the opening of anus. The anoscope will have a light on the end which helps the health care provider to see the entire area.
Up to 50% of rectal bleeding can be falsely attributed to hemorrhoids without internal examination to confirm this diagnosis. 
When is ANOSCOPY recommended?
Anoscopy is recommended to carefully examine the lining of anus and rectum and detect for various colorectal conditions like
Hemorrhoids: They are swollen veins around your anus and rectum which cause bleeding during bowel movements.
Anal fissures: Small tears in anus can develop due to chronic constipation or Crohnâ€™s disease.
Abscesses: Pus-filled sores, an infection, an anal fissure, an STD, ulcerative colitis, or Crohnâ€™s disease.
Cancer: For anal rectal cancer it is important to screen especially if any unusual symptoms appears.
Polyps: Small growths are usually harmless but they may cause cancer.
Preparing for ANOSCOPY
Position the patient for rectal exam in a left lateral decubitus position.
Patient needs to take deep breath and push down with the muscles used for a bowel movement.
It is to be noted that if the patient feels pain or discomfort because anoscopy is not usually a painful procedure which indicates there's a problem in the tissue.
Understanding ANOSCOPY results
Normal results: Anal canal appears normal in size, colour, and tone. It indicates no signs of bleeding, polyps or hemorrhoids.
Abnormal results: It includes Abscess, Fissures, Foreign object in the anus, hemorrhoids, infection, inflammation, polyps (non-cancerous or cancerous) and tumours.