ABSTRACT

D. Hereditary sensorineural deafness (see Chapter 13 and other topics below in this Appendix).

ITI. Other congenital disease A. Congenital cholesteatoma-Originates from epidermis. Rests deposited in

the temporal bone during development. Detected by damage to facial nerve or ossicles. Smooth, pearl-like surface, grossly and histologically like acquired cholesteatoma. See acquired middle ear diseases.