Sible to have a large attic antral cholesteatoma without ossicular involvement or equally a small cholesteatoma with ossicular erosion depending on the initial site and direction of progess.
Attic retraction grading.
Retractions of grafts are predicted by mode of.
There are many grading schemes to describe the retraction pockets one of them is charachon s scheme.
Retraction pockets can be divided into controlled and uncontrolled and the difference stems from the possibility of assessing its interior.
Coexistence of an attic retraction predicts combined long incus process and stapes superstructure defect chi 3 943 p 0 047 or 12 00.
Attic retraction pockets a small attic 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 either or both of these parts may become retracted.
An obvious retraction pocket that can be easily seen in the malleus manubrium.
Characon used broad groups based on accessability and controllability with the retraction being mobile fixed to undeterminable end not visible 5.
Controlled and movable controlled and immovable uncontrolled and immovable.
Tympanic membrane retraction describes a condition in which a part of the eardrum lies deeper within the ear than its normal position.
Forty four of 200 22 of ears showed grade i attic retraction 18 ears showed grade iia 9 14 showed grade iib 7 28 showed grade iiia 14 12 showed iiib 6 20 showed grade iiic 10 16 showed grade iva 8 12 showed grade ivb 6.