Foreign Bodies of EAC Insects. Young children often require general anesthesia to remove impacted objects without further injury. Topical otic antibiotics if localized reaction to foreign body. 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.