• Phenol 80% solution can be injected into the sinus tract following removal of sinus hairs and debris, achieving similar results to various other surgical procedures with the advantages of a shorter length of stay.
  • 1-4 procedure often required
  • Recent RCT comparing phenol to excision showed 100% healing rate in both groups but with 20% recurrence vs 13%
  • Strong recommendation based on moderate-quality evidence, 1B

The American Society of Colon and Rectal Surgeons’ Clinical Practice Guidelines for the Management of Pilonidal Disease, page 4