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Oto Radiology

 Question: A 5 year old female undergoes a workup for conductive hearing loss that includes a temporal bone CT scan.  The radiologist comments that the vestibular aqueducts appear to be enlarged.  In what two ways can enlarged vestibular aqueduct be defined radiographically?

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

Answer to last week's question, "Cut Off The Source" (February 11, 2018)

Lingual and facial arteries.