Attic Retraction Grading

There are many grading schemes to describe the retraction pockets one of them is charachon s scheme.

Attic retraction grading.

Characon used broad groups based on accessability and controllability with the retraction being mobile fixed to undeterminable end not visible 5. Retraction pockets can be divided into controlled and uncontrolled and the difference stems from the possibility of assessing its interior. B medium attic retraction pocket. Also called a micro pocket because it is a very small retraction that is only perceived if actively searched for.

All attic retraction pockets could be classified precisely using the new classification system. 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. An obvious retraction pocket that can be easily seen in the malleus manubrium. 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.

Controlled and movable controlled and immovable uncontrolled and immovable. Retractions of grafts are predicted by mode of. 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.