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Dermatology · Viral infections: Ramsay Hunt syndrome
Sample itemA 55-year-old has severe ear pain with vesicles in the external auditory canal, ipsilateral facial weakness and hearing loss. What is the underlying cause?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
D. Varicella zoster reactivation in the geniculate ganglion
Ramsay Hunt syndrome type 2 results from VZV reactivation in the geniculate ganglion of the facial nerve. Early oral acyclovir with corticosteroids improves facial recovery.
Option by option
A. HSV-2 infection of the trigeminal ganglion
HSV-2 is mainly genital and does not usually involve the geniculate ganglion.
B. Acoustic neuroma
Acoustic neuroma causes progressive hearing loss without vesicles.
C. Cholesteatoma
Cholesteatoma causes ear discharge, not vesicles.
D. Varicella zoster reactivation in the geniculate ganglion (correct)
Correct. VZV in the geniculate ganglion produces ear vesicles and facial palsy.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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