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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Treatment of choice for CSOM with vertigo and facial nerve palsy is:
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The correct answer is  (c) Immediate mastoid exploration(Ref. Shambaugh, 6th ed., 448)This is an unsafe CSOM. Here cholesteatoma eroding fallopian canal and causing fistula formation on the medial wall of middle ear (lateral semicircular canal, promontory, oval window) is causing facial nerve palsy and vertigo respectively. So the management is immediate mastoid exploration to remove cholesteatoma.