title: A lesion present at birth.
authors.affiliation: St Helier Hospital, Dermatology, Carshalton, Surrey, UK. ianpearson@doctors.org.uk
authors.forename: I C
authors.initials: IC
authors.lastname: Pearson
authors.forename: C A
authors.initials: CA
authors.lastname: Holden
mesh_terms: D006222:Hamartoma / Q000151:congenital* / Q000473:pathology; D006801:Humans; D007223:Infant; D008297:Male; D009130:Muscle, Smooth / Q000473:pathology; D012782:Shoulder / Q000473:pathology; D012871:Skin Diseases / Q000151:congenital* / Q000473:pathology