What is incomplete partition type 2?

Incomplete partition type II (IP-II, scala communis) is one of many congenital malformations associated with sensorineural hearing loss. IP-II has been characterized as a cochlea with a normal proximal basilar turn and a deficient interscalar septum between the upper turns.

What is cochlear hypoplasia?

Cochlear hypoplasia is a group of inner ear malformations defined by a smaller than normal cochlea with various internal architectural abnormalities such as having <2 turns.

What is cochlear aperture?

The cochlear nerve canal (CNC), also called the cochlear aperture, bony cochlear nerve canal (BCNC), and cochlear fossette, is the bony transition point between the internal auditory canal (IAC) and the cochlear modiolus.

What is inner ear dysplasia?

This type of abnormality, which has been described as “lateral semicircular canal–vestibule dysplasia,” may be accompanied by a normal or malformed cochlea, depending on the stage of inner ear development at the time of embryologic arrest (5,10). Malformations of the vestibule and semicircular canals.

What is the cochlear partition?

The cochlea is bisected by the cochlear partition, which is a flexible structure that supports the basilar membrane and the tectorial membrane.

What causes cochlear hydrops?

Cause and behavior Cochlear hydrops refers to an increase in endolymphatic fluid in the inner ear. This build-up is either due to an overproduction or insufficient drainage of endolymph in the constant regulation of fluid in the inner ear. Usually, only one ear is affected.

What is vestibular aqueduct?

Vestibular aqueducts are narrow, bony canals that travel from the inner ear to deep inside the skull (see figure). The aqueducts begin inside the temporal bone, the part of the skull just above the ear. The temporal bone also contains two sensory organs that are part of the inner ear.

Can an MRI scan detect inner ear problems?

MRI scans use a magnetic field and radio waves to create computerized, three-dimensional images of the ear and the nerve that carries signals from the inner ear to the brain. An MRI scan may reveal a buildup of fluid or inflammation in the inner ear or a growth on the nerve.

Can MRI show Meniere’s disease?

Magnetic resonance imaging (MRI) scan The MRI scan will not confirm a diagnosis of Ménière’s disease, nor will it show which ear is affected or how severe the condition is. During initial investigation it is important to exclude many serious conditions which can cause vertigo or unilateral hearing loss and tinnitus.

What happens if the cochlea is damaged?

It is the main organ of hearing and is part of your inner ear. Cochlear Damage means that all or part of your inner ear has been hurt. Damage to the cochlea typically causes permanent hearing loss. This is called sensorineural hearing loss (SNHL).