Present as discrete, mobile masses frequently with overlying orifice. May become secondarily infected. Treatment is complete excision. Epidermal cysts derived from layer of epithelium. Filled with keratin debris.
Treatment consists of complete excisional biopsy.
Preauricular cyst and fistula Results from faulty fusion of mesodermal hillocks that form the auricle. Fistula opening located in front of the incisura. Recurrent infection can be troublesome. After injection of methylene blue into the fistulous tract, the tract and cyst are excised. Benign Lesions Keloids Predisposition among Blacks.