Question: A 40 year old female is referred for fluctuating bilateral hearing loss. She brings multiple audiograms that show varying degrees of sensorineural hearing loss in both ears. She notes that each episode is associated with vertigo lasting days. What antibody test could be used to diagnose the most likely condition in this patient?

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

Answer to last week's question, "Who and Where?" (February 18, 2019)

Supraglottis