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Advanced Management of Complex Cases: Enlarged Vestibular Aqueduct

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1.  Valvassori and Clemis are credited with recognizing the clinical relationship between EVA and hearing loss in 1954 1978 1994 2005

2.  The vestibular aqueduct is considered mature when a child is 5 weeks gestation 3 months old 12 months old 3-4 years old

3.  Valvassori and Clemis presented the following definition of EVA a diameter greater than 1.5 mm halfway between the common crus and medial aspect of the operculum on the posterior wall of the temporal bone a diameter less than 1.5 mm halfway between the common crus and medial aspect of the operculum on the posterior wall of the temporal bone a diameter greater than .5 mm halfway between the common crus and medial aspect of the operculum on the posterior wall of the temporal bone none of the above

4.  Which of the following is true? only some individuals with EVA can suffer a decline in hearing following minor head trauma all individuals with EVA will have a decline in hearing following minor head trauma it is very unlikely that a patient with EVA will suffer a sudden decline in hearing following a minor head trauma all of the above

5.  Methods of imaging used to identify EVA include CT Scan MRI X-Ray A & B only

6.  A patient with EVA can present with the following type of hearing loss conductive hearing loss mixed hearing loss sensorineural hearing loss any of the above

7.  When pure tone testing yields air bone gaps, a VEMP response is typically ______ and ipsilateral acoustic reflexes can be _____ with EVA. absent, present present, present absent, absent present, absent

8.  The combination of EVA, thyroid dysfunction and goiter is known as Usher's syndrome Jervell and Lange-Nielsen syndrome Pendred syndrome Osteogenesis imperfecta

9.  Aural rehabilitation for a patient with EVA would entail amplification cochlear implant FM system with or without amplification and / or cochlear implant Any of the above depending on the degree and impact of hearing loss

10.  A patient with EVA may report episodes of vertigo that vary in length dysequilibrium delayed ambulation in childhood any of the above