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 with cholesteatoma present with acute onset of veigo. Treatment is: 
Select and explain. 
A. Immediate exploration, B. Antibiotics + steroids, C. Labyrinthine sedatives + antibiotics, D. Labyrinthine sedatives only
A: Immediate exploration
Answer: A: Immediate exploration 
Explanation: Ans. A CSOM with cholesteatoma is the most common cause of labyrinthus, presents with transient veigo often induced by pressure on tragus, cleaning the ear or while performing val salva monoeuure * Coical mastoidectomy (in acute mastoiditis) or modified radical mastoidectomy (in chronic middle ear infection or cholesteatoma) will often be required to treat source of infection