This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Spleen, Subject name: Surgery
All are seen in hypersplenism except: 
Select and explain. 
A. Anemia, B. Thrombocytopenia, C. Splenomegaly, D. Hypocellular bone marrow
D: Hypocellular bone marrow
Answer: D: Hypocellular bone marrow 
Explanation: Ans. (d) Hypocellular bone marrowRef: Sabiston 19/e p 1553-1554Hypersplenism:* Spleen Enlargement+Decrease in Cell count in more than one cell line (Anemia, thrombocytopenia, leucopenia) is known as hyper splenism* Important feature on Bone marrow study is there will be Hyper plasia and immediate improvement of blood counts after splenectomy