chronic otitis media complications of com/csom acute mastoiditis steps of tympanoplasty techniques of myringoplasty ossiculoplasty myringoplasty tympanoplasty perforations of tympanic membr middle ear dysventilation classification of com/csom sequalae of com/csom chain of events etiopathogenesis etiology & risk factors definition of com/csom chronic suppurative otitis m radical mastoidectomy modified radical mastoidectomy cortical mastoidectomy hrct temporal bone clinical features of csom cholesterol granuloma retraction of tympanic membran toss classification sade's classification classification of cholesteatom congenital cholesteatoma levenson's criteria cholesteatoma theories of cholesteatoma squamosal type csom encephalocele picket fence fever lateral sinus thrombophlebitis brudzinski's sign kernig's sign meningitis suppurative labyrinthitis diffuse serous labyrinthitis circumbscribed labyrinthitis petrous apicectomy gradenigo's syndrome petrositis subperiosteal abscess citelli's abscess bezold abscess intratemporal complications mastoid and mastoid antrum pathways of infection spread acoustic reflex central auditory pathway electrical conduction sound propagation bekesy travelling wave theory transduction catenary lever lever ratio of ossicles hydraulic lever areal ratio impedence transfer action of middle ear mechanical conduction mechanism of hearing sound wave sound hearing physiology of ear middle ear cleft sinus tmpani facial recess ug ear anatomy undergraduates anatomy of ear superficial parotidectomy pleomarphic adenoma sialolithiasis sialoendoscopy relations of parotid anatomy of parotid parotid nikita kapil management investigations clinical features reflux finding score reflex symptom index laryngoscopic findings pantaprazole proton pump inhibitors clinical evaluation laryngopharyngeal reflux vestibular nerve section labyrinthectomy non ablative procedures vemp audiological tests tumarkin's crisis tullio pheomenon diplacusis hearing loss vértigo probable memiere's disease definition singular neurectomy gentamicin therapy cryosurgery meniere's disease intralesional injections coronoidectomy temporalis flaps tongue flaps tnm staging mandibulectomy excisional biopsy  incisional biopsy lymphatic drainage of oral cav oral cavity cancer lichan planus osmf erythroplakia leukoplakia bullous myringitis ramsay hunt syndrome referred otalgia barotrauma acute otitis media malignant otitis externa otalgia otitis externa pain in ear
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