Meyerhoff and Truelson used a modification of the classification of Wullstein to evaluate patients with cholesteatoma during surgery. This can decide how much surgery is likely to improve a patient's hearing. The authors are from the University of Texas Health Science Center in Dallas, Texas.
Parameters:
(1) status of the stapes footplate
(2) status of the superstructure of the stapes
(3) status of the incus
Finding |
Type |
ossicular chain intact and mobile |
I |
stapes intact and mobile; incus eroded or missing |
II |
stapes footplate intact and mobile; stapes superstructure and/or incus are eroded or missing |
III |
stapes footplate fixed; stapes superstructure and/or incus are eroded or missing |
IV |
Stapes Footplate |
Stapes Superstructure |
Incus |
Type |
intact and mobile |
intact and mobile |
intact and mobile |
I |
intact and mobile |
intact and mobile |
eroded or missing |
II |
intact and mobile |
eroded or missing |
eroded or missing |
III |
fixed and immobile |
eroded or missing |
eroded or missing |
IV |
Specialty: Neurology, Otolaryngology
ICD-10: ,