Question: A 23 year old male is referred to you for conductive hearing loss. He exhibits a low to mid frequency 40 dB air-bone gap and absent stapedial reflexes on the right side. There is a family history of hearing loss. Which of the following temporal bone abnormalities should be ruled out in this scenario?

a) Enlarged vestibular aqueduct

b) Cochlea with 1.5 turns

c) Absent bone plate between IAC and cochlea

d) Narrow internal auditory canal

[Answer will be posted with next week's new question]

Answer to last week's question, “Sniff Sniff” (November 9, 2020)

B - Diverticulum size greater than 2 cm