Case Report | DOI: https://doi.org/CCSRR-CR-25-39
Collauralfistula: A Different Surgical Approach
Abstract
Pharyngeal pouches develop around the fourth week of embryological development. Incomplete formation of pouches leads to developmental anomalies.
As these are congenital anomalies, they are mostly asymptomatic and only noticed incidentally. Anomalies will present as a cyst, sinus or fistula. Cysts have an epithelial lining without external openings. Sinus tracts may communicate either externally with skin as a visible punctum or internally with the pharynx or larynx. Branchial cleft fistulae are true communications connecting the pharynx or larynx with the external skin.
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