Congenital fistula of the apex of the pyriform sinus: an overlooked phenomenon of debatable origin
Guertin, L.; Hamoir, M.; Brazeau-Lamontagne, L.; Charlin, B.
Journal of Otolaryngology 21(3): 174-176
1992
ISSN/ISBN: 0381-6605 PMID: 1404566 Document Number: 390324
Fistula of the pyriform sinus apex is an often overlooked entity which generally manifests itself as acute suppurative thyroiditis or recurrent deep neck abscesses in children or young adults. Two cases are reported. Arguments in favor of a fourth pharyngeal pouch origin are stressed and the surgical management is described.