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13 Cards in this Set
- Front
- Back
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Sinus tympani |
Hidden area of middle ear Most common site of residual cholesteatoma |
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Lightning reflex |
Loud sound -saccule-inf vestibular nerve-sternocleidomastoid relaxation Abscent in acoustic neuroma This test is know as vestibular evoked myogenic potential(to test saccule and inf vestibular nerve) |
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Skull base osteomyelitis |
Malignant otitis externa or necrotisisng otitis externa Technetium 99 used For Prognosis -gallium or indium scan |
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Tragal sign |
Pressure in tragus/ TM joint movement causes pain in ear Seen in localised otitis externa /furuncle Staph aureus |
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Pulsatile otorrhea |
Asom After TM perforation Pulsatile otorrhea and ear discharge seen |
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Whitmack theory |
Retraction pocket of pars flaccida Seen in 1° cholesteatoma |
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Haberman theory |
Marginal perforation 2°Cholesteatoma More virulent (beta hemolytic strep) Acute nectrotising otitis media |
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Pie in the sky appearance |
Supraquadrantic homonymous hemianopia seen in Temporal abscess Other symptoms : Nominal aphasia Convulsions due to uncinate involvement Contralateral motor palsy (pie in the floor -parietal floor abscess) Rx-MRM |
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Carhartz notch |
Otostosis 2k dip at bone conduction curve At 500 ,5db dip, at 1000 10db, and at 2k-20db dip |
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Diplaccusis |
Meniere's disease since U/L (fluctuating SNHL) -since reisner's membrane regenerate within 24hrs |
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3rd window syndrome |
Sup scc dehiscence CHL Bone conduction threshold dec(pt can even appreciate the movement of eyeballs) Vestibular-vertigo in inc pressure(hennebert sign) Vertigo in loud sounds(tullio's phenomenon) |
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Van der hoeve syndrome |
Triad Osteogenesis imperfecta Otosclerosis and Blue sclera |
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Habenula perforata |
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