title: Periungual pilonidal sinus.
authors.forename: Pui G
authors.initials: PG
authors.lastname: Ngan
authors.forename: Alex H R
authors.initials: AH
authors.lastname: Varey
authors.forename: Ajay L
authors.initials: AL
authors.lastname: Mahajan
mesh_terms: D005260:Female; D006801:Humans; D008875:Middle Aged; D009260:Nail Diseases / Q000175:diagnosis* / Q000628:therapy; D010864:Pilonidal Sinus / Q000175:diagnosis* / Q000628:therapy