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Preauricular sinuses are common congenital malformations .There is a high risk of recurrence if not excised correctly on the first time.Studies shows surgery under local anesthesia contributed to more recurrence, it did not mean that it was only the anesthesia technique that influenced the recurrence. Surgeons should bear in mind that complete removal of the epithelial lining provides a lower recurrence rate, especially under local anesthesia.
