title: Nodular lesion on the sacrococcygeal area in a bicycle rider.
authors.forename: K
authors.initials: K
authors.lastname: Kawaura
authors.forename: K
authors.initials: K
authors.lastname: Yano
authors.forename: H
authors.initials: H
authors.lastname: Takama
authors.forename: Y
authors.initials: Y
authors.lastname: Matsumoto
authors.forename: K
authors.initials: K
authors.lastname: Ida
mesh_terms: D000293:Adolescent; D001642:Bicycling; D006801:Humans; D008297:Male; D009506:Nevus / Q000209:etiology*; D012445:Sacrococcygeal Region; D012878:Skin Neoplasms / Q000209:etiology*