Open and Endoscopic Management of Fourth Branchial Pouch Sinus – Our Experience

 

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Abstract

Introduction Acute suppurative neck infections associated with third or fourth branchial arch fistulas are frequently recurrent. Third and fourth branchial arch anomalies are much less common and usually present with recurrent left thyroid lobe abscesses.

Objectives The authors present their experience in treating such cases that were observed exclusively in children.

Methods The study involved performing a retrospective review of five cases in PSG Institute of Medical Sciences & Research. All cases were evaluated radiologically and with Direct Rigid hypopharyngoscopy. Definitive surgery was performed, including hemithyroidectomy.

Results The patients consisted of five children, two boys and three girls. All of them presented with recurrent episodes of neck infection. Investigations performed included computed tomography (CT) fistulography, rigid hypopharyngoscopy and ultrasound, which were useful in preoperatively delineating pyriform sinus fistulous tract. All patients underwent neck exploration with excision of the fistulous tract and hemithyroidectomy. Upon follow-up, all patients are asymptomatic.

Conclusions Recurrent neck abscesses in a child should alert the clinician to the possibility of a fourth branchial arch anomaly; therefore, children with this condition require a complete evaluation so the anomaly can be ruled out.

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