Attic Tympanic Membrane

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Attic tympanic membrane. Left tympanic membrane showing attic perforation. This section contains information on acute traumatic central marginal attic and total perforations along with information on the monomeric tympanic membrane. Tympanic membrane retraction describes a condition in which a part of the eardrum lies deeper within the ear than its normal position. Either or both of these parts may become retracted.

In other cases frequent ear infections can cause a tympanic membrane perforation. Mesotympanum directly medial to the membrane. Impact of site and size pars tensa tympanic membrane. The retracted segment of eardrum is often known as a retraction pocket.

The eardrum comprises two parts the pars tensa which is the main part of the eardrum and the pars flaccida which is a smaller part of the eardrum located above the pars tensa. It also serves as the lateral wall of the tympanic cavity separating it from the external auditory canal. Tympanic membrane also called eardrum thin layer of tissue in the human ear that receives sound vibrations from the outer air and transmits them to the auditory ossicles which are tiny bones in the tympanic middle ear cavity. In people who have had ear tubes tympanostomy tubes a perforation can result when the eardrum does not close up after the tube comes out.

Tympanic membrane perforations a perforation is a hole in the tympanic membrane that is visible through the otoscope. A tympanic membrane perforation can have many causes. While this is rare it is seen from time to time. Some authors define three compartments 4.

The terms atelectasis or sometimes adhesive otitis media. Hypotympanum inferior to the membrane. The tympanic cavity is subdivided into several parts defined in relation to the planes of the tympanic membrane. The tympanic membrane is shaped like a flat cone pointing into the middle and inner ear.

It consists of three layers from external to internal. The posterior and superior parts of the tympanic membrane are most commonly affected. The attic is just above the eardrum. If the cholesteatoma has been dry the cholesteatoma may present the appearance of wax over the attic.

Epitympanum attic epitympanic recess superior to the membrane. It attaches to an incomplete ring of bone along the wall of the eac the tympanic annulus.