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- Title
Review of accessory tragus with highlights of its associated syndromes.
- Authors
Bahrani, Bahar; Khachemoune, Amor
- Abstract
Accessory tragus is a developmental defect involving malformation of part of the external ear. It is a moderately rare congenital condition reported in 1858 by Birkett for the first time. Histological features of accessory tragus include a thin layer of stratum corneum with a rugated epidermis, presence of eccrine glands, and irregular spatial positioning of vellus hair follicles accompanied by sebaceous glands. Accessory tragus is commonly a limited deformity; however, it can be a sign of associated congenital syndromes. It has been shown to be associated with Goldenhar syndrome, Townes-Brocks syndrome, Treacher-Collins syndrome, VACTERL syndrome, and Wolf-Hirschhron syndrome. Surgical excision, the most common form of management of accessory tragus lesions, typically leads to a positive outcome. An extensive search was performed using pubmed.gov, Embase, MedLine, and Googlescholar.com using key words: accessory tragus, congenital malformations of ear, first branchial arch, and embryology. In this paper, we review the clinical and histological presentation, associated syndromes, management, and outcome of accessory tragus.
- Subjects
EAR abnormalities; HUMAN abnormalities; SYNDROMES; SKIN abnormalities; CARTILAGE
- Publication
International Journal of Dermatology, 2014, Vol 53, Issue 12, p1442
- ISSN
0011-9059
- Publication type
Article
- DOI
10.1111/ijd.12369