Auricular pilonidal sinus; a rare case with a brief review of literature

IntroductionPilonidal sinus (PNS) is an inflammatory disease arising from the sacrococcygeal region. The current study aims to report a case of pilonidal sinus developed in the posterior aspect of the auricle.Case reportA 27-year-old male presented with a painless auricular discharge for 2 weeks. it was diagnosed clinically as a case of pilonidal sinus. The opening sinus was anesthetized locally.

The wound opened, the sinus excised through a small opening to remove the hair. The wound was injected with a prepared mixture and covered with Kurdish gum.DiscussionAlthough the etiology of pilonidal sinus is unknown, in the literature, many factors have been described as risk factors. Positive family history particularly first-degree relative is an important risk factor with the incidence of 52.4%.ConclusionAlthough it is rare and atypical, PNS could occur in the auricular region.

It could be managed as sacrococcygeal PNS.