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A new operational approach for the piriform sinus fistula
Authors:Kohei Hashizume  Hideo Kawarasaki  Tadashi Iwanaka  Yutaka Kanamori  Kiyoshi Tanaka  Tadahito Utsuki  Hiroaki Komuro  Kaoru Uno
Affiliation:(1) The Department of Pediatric Surgery, University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-ku, 113 Tokyo, Japan
Abstract:It has been well documented that piriform sinus fistulae often cause suppurative thyroditis; however, when a piriform sinus fistula does not present this symptom, making a correct diagnosis is very difficult. We have experienced 11 cases of a piriform sinus fistula. The conventional operational approach was performed in the initial eight patients, among which there were four recurrences in two patients. Therefore, a new operational approach was introduced for the three most recent cases and one recurrent case. First, the existence of the internal orifice of the fistula is confirmed with a laryngoscope, after which a transverse incision on the neck is made and the abscess dissected. The side wall of the piriform sinus is then opened with the help of a laryngoscope and the bottom part of the mucosa of the sinus transected with the internal orifice of the fistula, after which the fistula is removed en bloc with the bottom part of the sinus and abscess cavity. Using this operation, we experienced no complications and there has been no recurrence so far.This paper was presented at the 23rd Annual Meeting of Pacific Association of Pediatric Surgeons, June 1990 in Kona, Hawaii.
Keywords:piriform sinus fistula  neck abscess  endoscopy
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