Hamaguchi N1,
Ishinaga H1, Chiyonobu K1, Morishita H1, Takeuchi K1.
Abstract
Pyriform sinus #fistula
(PSF) is an anomaly that can arise due to failure of involution of the third or
fourth branchial cleft during #embryogenesis. It can manifest clinically as
sinuses, cysts, or abscesses in the #neck and is common in #childhood. Herein,
we describe a #neonate who presented with neck swelling and #respiratorydistress,
which was secondary to a fourth branchial pouch sinus. Physical examination
revealed swollen areas in the #posterolateral #pharyngealwall and on the
external left side of the neck. Computed #tomography imaging showed a
left-sided mass that was filled with air and fluid. Eventually, the pyriform #sinuscyst
and the entire #fistuloustract were excised. The postoperative course was
uneventful. Follow-up after 18 months showed no recurrence.
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