congenital cartilaginous rest of the neck congenital cartilaginous rest of the neck congenital cartilaginous rest of the neck is a minor and very rare congenital cutaneous condition characterized by branchial arch remnants that are considered to be the cervical variant of accessory tragus. it resembles a rudimentary pinna that in most cases is located in the lower anterior part of the neck. congenital cartilaginous rest of the neckother namescervical accessory tragus, wattle, cervical tab, cervical auricledrawing of a man with two cervical auricles (from the book "evolution and disease", 1890, page 91)specialtydermatology