title: Primary osteoma cutis.
mesh_terms: D001842:Bone and Bones / Q000473:pathology; D006801:Humans; D007223:Infant; D008297:Male; D009999:Ossification, Heterotopic / Q000473:pathology* / Q000601:surgery; D012867:Skin / Q000473:pathology; D012871:Skin Diseases / Q000473:pathology* / Q000601:surgery