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This picture shows a severely retracted right eardrum with retraction pocket formation. The eardrum is thin and collapsed (atelectatic) and draped over the long arm of the incus, stapes, and round window nitch.
This picture shows a severely retracted right eardrum with retraction pocket formation. There is an attic retraction pocket and a large posterior inferior retraction of the eardrum which is draped over the promontory.
This picture shows a severely retracted left eardrum with retraction pocket formation. A retraction pocket becomes a cholesteatoma if it becomes chronically infected or retains skin debris and is not self cleaning. In the elderly, deep retraction pockets which do not have a mass on CT scan can be followed conservatively.
This picture shows a severely retracted left eardrum with and attic retraction pocket. The bone of the ear canal which is just above the eardrum is called the scutum. Erosion of the scutum may occur when the superior portion of the eardrum (pars flaccida) is retracted into the attic (the air space above the eardrum).
This picture shows a severely retracted right eardrum with retraction pocket formation. and tympanosclerosis.
This picture shows a severely retracted left eardrum with retraction pocket formation.
This picture shows a severely retracted right eardrum with retraction pocket formation.
This picture shows a severely retracted left eardrum with retraction pocket formation.
This picture shows a severely retracted right eardrum with the beginnings of retraction pocket formation. The long are of the incus has been eroded and the eardrum is attached to the head of the stapes forming a myringostapediopexy. The eardrum is ateletatic and is draped over the stapedial tendon. A myringotomy tube is present in the anterior superior portion of the eardrum. 
This picture shows a severely retracted left eardrum with an attic retraction pocket. There is serous fluid behind the ear drum.
This picture shows a severely retracted left eardrum with retraction pocket formation. A ring of tympanosclerosis stents the eardrum but the remainder of the eardrum is atelectatic and retracts deep into the ear, draping over the promontory, incus and stapes; forming a myringoincudopexy.
This picture shows a severely retracted left eardrum with a deep attic retraction pocket with exposure of the neck of the malleus. The long are of the incus is partially eroded and the head of the stapes exposed. 
This picture shows a severely retracted left eardrum with a shallow attic retraction pocket. A posterior superior retraction pocket is present which has completely eroded the long arm of the incus and has attached to the head of the stapes (myringostapediopexy).
This picture shows a severely retracted and thin atelectatic left eardrum which is draped over the promontory. The long arm of the incus is eroded and the eardrum is attached to the head of the stapes (myringostapediopexy).
This picture shows a severely retracted left eardrum with retraction pocket formation.
