<prompt> A girl with acute promyelocytic leukemia was admitted for management. While on treatment she developed tachypnea, fever and pulmonary infiltrates. What should be done for the treatment of this problem?DexamethasoneCytarabineDoxorubicinMethotrexate  <response>: Ans. A DexamethasoneRef: Harrison 19e p1686-87The features given are known as APL differentiation syndrome which can occur while treatment with tretinoin. The treatment is with steroids. 