Training in Tympanoplasty

Comparison of Endoscopic Tympanoplasty to Microscopic Tympanoplasty

OBJECTIVES This study aimed to compare the outcome of endoscopic and microscopic tympanoplasty. METHODS This was a retrospective comparative study of 73 patients (35 males and 38 females) who underwent type I tympanoplasty at Samsung Medical Center from April to December 2014. The subjects were classified into two groups; endoscopic tympanoplasty (ET, n=25), microscopic tympanoplasty (MT, n=4...

using game theory techniques in self-organizing maps training

شبکه خود سازمانده پرکاربردترین شبکه عصبی برای انجام خوشه بندی و کوانتیزه نمودن برداری است. از زمان معرفی این شبکه تاکنون، از این روش در مسائل مختلف در حوزه های گوناگون استفاده و توسعه ها و بهبودهای متعددی برای آن ارائه شده است. شبکه خودسازمانده از تعدادی سلول برای تخمین تابع توزیع الگوهای ورودی در فضای چندبعدی استفاده می کند. احتمال وجود سلول مرده مشکلی اساسی در الگوریتم شبکه خودسازمانده به حسا...

[Tympanoplasty and age].

The relationship between age and results mainly of tympanoplasty was studied in 576 ears with chornic otitis media, including cases with cholesteatoma. These cases were divided into five age groups which were less than 15, 15-29, 30-44, 45-59, and more than 60 years age groups. Regarding types of tympanoplasty, the proportions of type III with columella increased with age. Type 0 was performed ...

Tympanoplasty—conchal cavum approach

UNLABELLED The three well recognized tympanoplasty approaches: permeatal, postaural, and endaural, each have advantages and disadvantages. The permeatal approach is suitable only for ears with adequate canal size. The postaural approach limits visualization of the posterior eardrum margin. The endaural approach limits the view of the eardrum's anterior margin. This study describes a modified en...

Retrospective analysis of tympanoplasty