Tympanic membrane retraction

Last revised by Daniel J Bell on 4 Aug 2018

Tympanic membrane retraction usually occurs when a portion of the tympanic membrane becomes weakened and is pulled inwards by the negative pressure within the middle ear

Pathology

As the tympanic membrane is pulled inwards (medially), it can become draped over the ossicles, resulting in a variety of symptoms.

Classification

The retraction can be subdivided based on severity 1:

It can also be divided according to which part of the tympanic membrane is retracted 1:

See also

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