Anoscopy: Difference between revisions

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==Equipment Needed==
==Equipment Needed==
 
*Gloves
*Anoscope (Reusable or disposable)
**Adults: 7-cm (typically 19-mm diameter) anoscope; slotted or non-slotted
**Pediatrics: 8-mm to 14-mm diameter
*Light source (often built into disposable anoscopes)
*Lubricating jelly (and topical anesthetic jelly if patient has severe anal pain)
*Cotton swabs
*If needed:
**Fecal occult blood test
**Culture tube and swab
**Biopsy forceps


==Procedure==
==Procedure==

Revision as of 17:05, 18 August 2021

Overview

  • The use of an anoscope to visually inspect the anus, anal canal, and internal sphincter
  • Helpful in identifying causes of rectal bleeding
    • Up to 50% of rectal bleeding is falsely attributed to hemorrhoids when internal examination is not used[1]

Indications

  • Evaluation of bright red bleeding
  • Evaluation anorectal symptoms (anal pain, discharge, protrusions, or pruritus)
  • Evaluation/treatment of rectal foreign bodies

Contraindications

Absolute Contraindications

  • Imperforate anus
  • Bowel Perforation
  • Significant active bleeding

Relative Contraindications

  • Severe anal pain
  • Recent anal surgery

Equipment Needed

  • Gloves
  • Anoscope (Reusable or disposable)
    • Adults: 7-cm (typically 19-mm diameter) anoscope; slotted or non-slotted
    • Pediatrics: 8-mm to 14-mm diameter
  • Light source (often built into disposable anoscopes)
  • Lubricating jelly (and topical anesthetic jelly if patient has severe anal pain)
  • Cotton swabs
  • If needed:
    • Fecal occult blood test
    • Culture tube and swab
    • Biopsy forceps

Procedure

Complications

See Also

External Links

References

  1. Gudur A, Shanmuganandamurthy D, Szep Z, Poggio JL. An Update on the Current Role of High Resolution Anoscopy in Patients With Anal Dysplasia. Anticancer Res. 2019 Jan;39(1):17-23.