<prompt> A 3-year-old child presented with anemia and thrombocytopenia. On examination, there was massive splenomegaly. A bone marrow aspiration revealed the following cells. What is the diagnosis?MucopolysaccharidosisGaucher diseaseAcute LeukemiaThalassemia  <response>: b. Gaucher diseasePancytopenia with massive splenomegaly in a child with bone marrow showing Gaucher cells with crumpled tissue paper appearance of cytoplasm are seen in Gaucher disease 