A 10yo girl has been referred for assessment of hearing as she is finding difficulty in hearing her
teacher in the class. Her hearing tests show: BC normal, symmetrical AC threshold reduced
bilaterally, weber test shows no lateralization. What is the single most likely dx?
a. Chronic perforation of tympanic membrane
b. Chronic secretory OM with effusion
c. Congenital sensorineural deficit
d. Otosclerosis
e. Presbycusis
answer: B
BC > AC = conductive hearing loss
no lateralization = bilateral
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