A 24 year old male complained of recurrent attacks of sore throat since 2 years. The total leucocyte count was 3000/ μl. A differential count revealed severe neutropenia. The diagnosis is: (A) Subleukemicleukemia, (B) Agranulocytosis, (C) Infectious mononucleosis, (D) Leukoerythroblasticanemia
Answer is B. None