Accessory tragus or have Synonyms Supernumerary ear, supernumerary auricle, accessory external ear, rudimentary auricle, accessory auricle, auricular appendage
cervical auricle, preauricular appendage, cutaneous cervical tag, preauricular appendage, Wattle.
This dermatology disease is Congenital anomaly of branchial arch development, producing a preauricular papule.
The Pathogenesis Abnormal development of portions of one of the branchial arches
The Clinical manifestation are such as Asymptomatic, solitary, flesh-colored papule, usually in the preauricular area; vellus hairs arise from the papule
The Differential diagnosis fro this dermatoly disease are Preauricular cyst or sinus; thyroglossal duct cyst; branchial cyst or sinus; bronchogenic cyst; acrochordon; melanocytic nevus; epidermoid cyst; neurofibroma
Therapy that usually do for this disease is only Surgical excision .
For more information about this dermatology disease , you can read a book by Jansen T; Romiti R; Altmeyer P (2000) Accessory tragus: report of two cases and review of the literature. Pediatric Dermatology 17:391–394