Chapter 26 ENT Surgery

Cerumen

A substance produced by the cerumen glands of the ear (i.e., earwax)

Cholesteatoma

A benign tumor of the middle ear caused by the shedding of keratin

Effusion

Fluid in the middle ear

Epistaxis

Bleeding arising from the nasal cavity

Evert

To turn outward or inside out

Hypertrophy

Enlargement of an organ or tissue

Polyp

Excessive proliferation of the mucosal epithelium

Ossicles

The bones of the middle ear that conduct sound (i.e., the malleus, incus, and stapes)

Ototoxic

A substance that can injure the ear

Papilloma

A benign epithelial tumor characterized by a branching or lobular tumor (also called a papillary tumor)

Paranasal sinuses

Air cells surrounding or on the periphery of the nasal cavities. These are the maxillary, ethmoid, sphenoid, and frontal sinuses

Packing

A method of applying a dressing to a body cavity. In nasal procedures, 1/4- or 1/2-inch gauze strips are inserted into the nasal cavity to absorb drainage, control bleeding, or expose the mucosa to topical medication. "Packing" a wound may refer to any dressing that is introduced into an anatomical space or cavity.

Paresis

Paralysis of a structure ( vocal cord paresis)

Perforation

A defect in the tympanic membrane caused by trauma or infection

Phonation

Vibration of the vocal cords during speaking or vocalization

Sensorineural hearing loss

Hearing impairment arising from the cochlea, auditory nerve, or central nervous system

TM

The tympanic membrane

Transsphenoidal

Literally, "across or through the sphenoid bone." Surgery of the pituitary gland may be performed by approaching it through the sphenoid bone

Transcanal

Surgical access through the external auditory canal (EAC)

Tympanostomy tube

A tube that is placed in a myringotomy to produce aeration of the middle ear