Also known as: preauricular tag, polyotia, accessory auricle anomaly, rudimentary ear, supernumerary pinna, wattle

Clinical Features:

• May be present between the tragus and the angle of the mouth (migratory path of the first branchial arch) or on the neck, most often anterior to the sternocleidomastoid muscle
• Solitary or multiple pedunculated soft to cartilagenous papules, often covered with vellus hairs, often clinically mistaken for skin tags
• Part of Goldenhar's syndrome: accessory tragi, epibulbar desmoids, vertebral defects
• Also sometimes seen in Townes-Brocks, Treacher-Collins, VACTERL and Wolf-Hirschhorn syndromes

Histologic Features:

• Polypoid, usually with a central cartilage core
• Sometimes rugated epidermal surface with a normal or thin, compact stratum corneum
• Adipose tissue and dilated blood vessels may be present within the papillary dermis.
• Numerous vellus hair follicles throughout the papillary dermis

Cases associated with this book:

Accessory tragus
Author: Artur Zembowicz M.D. Ph.D.

Conference: DermatopathologyConsultations.com Teaching Collection