epidermosis

ep·i·der·mo·sis

(ep'i-dĕr-mō'sis),

A skin disease affecting only the epidermis.

Synonym(s): epidermidosis

cholesteatoma

Dermatology
A benign plug of keratinised squamous epithelium and cholesterol found in the middle ear after acute otitis media.
 
Clinical
Hearing loss, ear fullness, and pain.
 
Neuropathology
Epidermoidoma, see there.