Ear

Congenital anomalies

Accessory tragi



Topic Completed: 1 October 2013

Minor changes: 14 December 2020

Copyright: 2002-2021, PathologyOutlines.com, Inc.

PubMed Search: Accessory tragi


Nat Pernick, M.D.
Page views in 2020: 2,895
Page views in 2021 to date: 3,067
Cite this page: Pernick N. Accessory tragi. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/earaccessorytragi.html. Accessed October 22nd, 2021.
Definition / general
  • 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: HEMIFACIAL MICROSOMIA; HFM [Accessed 4 January 2019] )
  • Solitary or multiple, unilateral or bilateral, sessile or pedunculated, soft or cartilaginous
Treatment
  • Simple excision
Gross description
  • Skin covered nodule, often anterior to auricle
Microscopic (histologic) description
  • Skin with cutaneous adnexae and central cartilage (resembles normal external auricle)
Differential diagnosis
Back to top
Image 01 Image 02