title: Odontogenic cutaneous sinus tract presenting as a growing cheek mass in the emergency department.
abstract: An odontogenic cutaneous sinus tract (OCST) is a rare extraoral sinus tract related to a chronic draining dental infection, typically apical periodontitis. OCST usually presents as an erythematous and non-tender nodule and often requires endodontic treatment for resolution of the sinus tract. If there is disruption of the mandibular cortex, it may be difficult to differentiate an OCST from a non-odontogenic malignant mass in patients without dental symptoms. This report describes a rare case of OCST presenting as a left cheek mass in a 21-year-old man which was initially diagnosed in the emergency department.
authors.affiliation: Department of Emergency Medicine, Sanggye Paik Hospital, Inje University College of Medicine, 1342 Dongil-ro, Nowon-gu, Seoul 139-707, Republic of Korea.
authors.forename: Sun Hwa
authors.initials: SH
authors.lastname: Lee
authors.affiliation: Department of Radiology, Aerospace Medical Center, Republic of Korea Air Force, PO Box 335-21, 635 Danjae-ro, Namil-myeon, Cheongwon-gun, Chungcheongbuk-do 363-849, Republic of Korea. Electronic address: zoomknight@naver.com.
authors.forename: Seong Jong
authors.initials: SJ
authors.lastname: Yun
mesh_terms: D002610:Cheek / Q000473:pathology*; D017577:Cutaneous Fistula / Q000473:pathology* / Q000628:therapy; D003751:Dental Fistula / Q000473:pathology* / Q000628:therapy; D004322:Drainage; D006801:Humans; D008297:Male; D008334:Mandible / Q000473:pathology* / Q000601:surgery; D010518:Periodontitis / Q000150:complications* / Q000473:pathology; D012390:Root Canal Therapy; D016896:Treatment Outcome; D055815:Young Adult
keywords: Apical periodontitis; Cheek mass; MRI; Odontogenic cutaneous sinus tract; US