Radical mastoidectomy is done for:: (A) ASOM, (B) Safe CSOM, (C) Atticoantral cholesteatoma, (D) Acute mastoiditis
Answer is C. (c) Atticoantral cholesteatoma(Ref. Cummings, 6th ed., 2190)These days MRM is preferred over radical mastoidectomy in the management of unsafe CSOM with or without complications except for a few areas