This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: ENT
A patient of CSOM has choleastatoma and presents with vertigo. Treatment of choice would be - 
Select and explain. 
A. Antibiotics and labyrinthine sedative, B. Myringoplasty, C. Immediate mastoid exploration, D. Labyrinthectomy
C: Immediate mastoid exploration
Answer: C: Immediate mastoid exploration 
Explanation: The patient is presenting with CSOM and vertigo which means cholesteatoma has led to fistula formation involving semicircular canals which in turn has caused vertigo. So the management is immediate mastoid exploration to remove the cholesteatoma.