Cholesteatomas are benign tumors in cases where a perforation of the eardrum (tympanic membrane) does not heal without surgery,but instead grows through the hole into the middle ear and, if infectiondevelops, results in a cyst-like tumor.

Contains sites for congenital conditions, the primary symptoms of which relate to the ear.

Hyperacusis is a health condition characterized by an over-sensitivity to certain frequency ranges of sound.

Mastoiditis is an infection of the mastoid process, the portion of the temporal bone of the skull that is behind the ear.

An inner ear disorder that can affect both hearing and balance; can cause vertigo, hearing loss, tinnitus, and the sensation of fullness in the ear.

Otitis externa, or swimmer's ear, is an inflammation of the outer ear and ear canal.

Otitis media or glue ear is a common but poorly understood condition where fluid builds up in the middle ear.

Otosclerosis is a hearing condition in which the stapes in the ear becomes attached to the surrounding bone by an abnormal bone growth. Sound transmission is progressively impaired so that hearing in the affected ear deteriorates.

A perforated eardrum is a hole or tear in the eardrum.

Tinnitus, "ringing ears" or ear noise is a phenomenon of the nervous system connected to the ear, characterised by perception of a ringing or beating sound (often perceived as sinusoidal) with no external source.