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: Medicine
Basanti, a 30yearold girl, presents with complaints of fever and weakness. On examination there is splenomegaly of 3 cm below the costal margin. Hb is 8 gm/ dL. TLC is 3, 000/ mm3, platelet count is 80, 000 mm3. Which of the following is the LEAST likely diagnosis: March 2013 
Select and explain. 
A. Aplastic anemia, B. Anemia of chronic diseases, C. Megaloblastic anemia, D. Acute lymphocytic anemia
A: Aplastic anemia
Answer: A: Aplastic anemia 
Explanation: Ans. A i.e. Aplastic anemia Aplastic anemia Causes: -- Drugs (chloramphenicol), -- Viruses etc. Feature absent in aplastic anemia: Splenomegaly Most effective treatment of aplastic anemia: Bone marrow transplant