Anoscopy Procedure

Anoscopy is a medical procedure used to visually examine the anal canal and lower part of the rectum. It is typically performed by a healthcare provider, such as a doctor or nurse practitioner, in a clinical setting.

Purpose of Anoscopy

The purpose of anoscopy is to:

  • Diagnose and treat hemorrhoids, anal fissures, and other conditions affecting the anus and rectum
  • Investigate symptoms such as rectal bleeding, pain, or itching
  • Monitor the healing of previous surgeries or treatments in the anal canal
  • Collect tissue samples for biopsy

How Anoscopy is Performed

The procedure typically involves the following steps:

  1. The patient is positioned on their side or back, with their legs bent and feet placed in stirrups
  2. A lubricated anoscope (a short, hollow tube with a light on the end) is gently inserted into the anus
  3. The healthcare provider visually examines the anal canal and lower rectum using the anoscope
  4. Any necessary treatments or biopsies are performed during the procedure
  5. The anoscope is removed, and the patient may be given instructions for follow-up care

Types of Anoscopes

There are two main types of anoscopes:

  • Rigid anoscope: a straight, hollow tube made of metal or plastic
  • Flexible anoscope: a flexible, hollow tube with a light on the end, which can be bent to navigate the anal canal

Risks and Complications

As with any medical procedure, there are potential risks and complications associated with anoscopy, including:

  • Bleeding or hemorrhage
  • Infection
  • Pain or discomfort during or after the procedure
  • Damage to the anal canal or rectum

Preparation and Aftercare

To prepare for an anoscopy, patients may be instructed to:

  • Avoid eating or drinking for a certain period before the procedure
  • Use an enema or laxative to empty the bowel
  • Remove any clothing or jewelry that may interfere with the procedure

After the procedure, patients may be instructed to:

  • Avoid heavy lifting or strenuous activity
  • Use pain medication as directed
  • Follow a bowel care routine to prevent constipation

Article last updated on: 15th June 2025.
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