title: Pyriform sinus fistula appearing as a neck tumor in the neonatal period: a case report.
abstract: Pyriform sinus cyst and fistula is a relatively rare tumor of the neck, even less is the neonatal period. We experienced a case of this one, and preoperative diagnosis was made by using endoscopy and cine-esophagography. A dyeing method that confirmed the fistula tract of cyst lead us to successful resection.
authors.affiliation: 1st Department of Surgery, The Jikei University School of Medicine, 3-25-8 Nishi-shinbashi, Minato-ku, Tokyo 105, Japan.
authors.forename: R
authors.initials: R
authors.lastname: Mizuno
authors.forename: Y
authors.initials: Y
authors.lastname: Yamazaki
authors.forename: T
authors.initials: T
authors.lastname: Yoshida
authors.forename: M
authors.initials: M
authors.lastname: Kurobe
mesh_terms: D003560:Cysts / Q000151:congenital* / Q000175:diagnosis / Q000453:epidemiology; D005260:Female; D005402:Fistula / Q000151:congenital* / Q000175:diagnosis / Q000453:epidemiology; D006258:Head and Neck Neoplasms / Q000175:diagnosis*; D006801:Humans; D007231:Infant, Newborn; D010608:Pharyngeal Diseases / Q000151:congenital* / Q000175:diagnosis / Q000453:epidemiology