Pilonidal cysts of the scalp.
D002675:Child, Preschool; D006197:Hair / Q000637:transplantation*; D006801:Humans; D008297:Male; D010864:Pilonidal Sinus / Q000209:etiology*; D011183:Postoperative Complications; D012535:Scalp; D014182:Transplantation, Autologous