Attic Retraction Grading
There are many grading schemes to describe the retraction pockets one of them is charachon s scheme.
Attic retraction grading. Factors associated with recurrence. Retractions of grafts are predicted by mode of. For instance it is pos sible to have a large attic antral cholesteatoma without ossicular involvement or equally a small cholesteatoma. Itis observed in our study an incidence of retraction pockets as 35 45 14 and 7 of grade i ii iii and iv by sade classification respectively.
Majority of retraction pockets is observed in stage i ii. Sified according to charachon grading system charachon stages i to iii fig. A study of retraction pockets by staging. Classification according to j.
Sade 1976 the classifi cation of tympanic atelectasis has 5 grades. Head neck surg 137 2 139 143. Coexistence of an attic retraction predicts combined long incus process and stapes superstructure defect chi 3 943 p 0 047 or 12 00. Affecting pars tensa affecting 18 ears in 16 patients.
C attic retraction pockets. Usually controlled pockets do not require surgery but uncontrolled which will develop in cholesteatoma should be operated. Tympanic membrane retraction describes a condition in which a part of the eardrum lies deeper within the ear than its normal position. Grade i mild tm retraction grade ii tm retraction in contact with incus or stapes tympanoincudopexy.
Type i controllable not fixed mobile retraction pocket fully visible under microscope. 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. Tympanoplasty for chronic tubotympanic otitis and attic retraction. Lau t tos m 1989 tensa.
With 5 stages of retraction from mild to severe ossicular involvement cholesteatoma and inner ear involvement 4. Here inaddition to the retracted pars flaccida being in contact with the neck of the malleus there is also a limited erosion of the outer attic wall or scutum. Medial retraction of shrapnell s pars flaccida into the attic. Controlled and movable controlled and immovable uncontrolled and immovable.
Had 41 of retraction in posterior superior quadrant of pars tensa and 59 of attic retraction. Type ii controllable fixed non mobile retrac tion pocket fully visible under microscope.