esthetician 发表于 2025-3-26 23:55:32
Surgical Findings of Anterior Tympanotomy in the Cholesteatomatous Ear,upratubal recess, are explained and discussed. As cholesteatoma develops (usually in the poorly pneumatized ear), these intraoperative results can be used in place of anatomical landmarks on the tympanic diaphragm. In this study, we measured the bony partition removed during anterior tympanotomy usi洞穴 发表于 2025-3-27 03:11:24
Computed Tomography of the Cholesteatomatous Ear,d portion. The petrous portion is the most important in radiology for cholesteatoma; it houses all of the inner ear, the epitympanic cavity, and the supratubal recess in the protympanum. Anterolaterally the petrous connects with the the tympanic portion at the petrotympanic fissure (Glaserian fissurnascent 发表于 2025-3-27 08:54:52
Pathogenesis of Cholesteatoma,ction pocket theory states that cholesteatoma forms by accumulation of debris in retraction pockets arising from Shrapnell’s membrane or from the adhered pars tensa, caused by occlusion of the eustachian tube (Bezold 1908); (2) the migration theory states that squamous epithehum which has migrated ifluffy 发表于 2025-3-27 12:21:13
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