Reviewer: Nat Pernick, M.D. (see Reviewers page)
Revised: 22 October 2013, last major update December 2006
Copyright: (c) 2003-2013, PathologyOutlines.com, Inc.
- Also called accessory or supernumerary ear, accessory auricle, polyotia
- Appears at birth; incidence of 0.2 to 0.5%
- May be related to second branchial arch anomalies
- Usually no associated hearing loss or anomalies (Int J Pediatr Otorhinolaryngol 2002;63:25)
- Associated in some cases with cleft lip/palate, mandibular hypoplasia, oculoauriculovertebral dysplasia (Goldenhar syndrome, OMIM 164210)
- Solitary or multiple, unilateral or bilateral, sessile or pedunculated, soft or cartilaginous
- Skin covered nodule, often anterior to auricle
- Skin with cutaneous adnexae and central cartilage (resembles normal external auricle)
End of Ear > Congenital anomalies > Accessory tragi
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