Primary closure of pilonidal sinus.
D004185:Disability Evaluation; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D010864:Pilonidal Sinus / Q000601:surgery*; D011182:Postoperative Care; D011183:Postoperative Complications; D011379:Prognosis; D011446:Prospective Studies; D012189:Retrospective Studies