title: [Dermoid and dermal sinus].
abstract: We report on a case of dermoid and asymptomatic dermal sinus both occurring in an 18-year-old man, a monozygotic twin.
mesh_terms: D000293:Adolescent; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D009436:Neural Tube Defects / Q000196:embryology / Q000473:pathology* / Q000601:surgery; D011247:Pregnancy; D014430:Twins, Monozygotic
vernacular_title: Dermoid und Dermalsinus.