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What are branchial cleft anomalies?

What are branchial cleft anomalies?

ANSWER:

Branchial cleft anomalies
– remnant of the primitive branchial clefts in which epithelium forms a sinus tract between the pharynx (second cleft), or the external auditory canal (first cleft), and the skin of the anterior neck; if the sinus ends blindly, a cyst may form

surgical recall, 4th ed, p.509

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