This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
Which of the following is not a myeloproliferative disease? 
Select and explain. 
A. Polycythemia rubra vera, B. Acute myeloid leukemia, C. Chronic myeloid leukemia, D. Essential thrombocytosis
B: Acute myeloid leukemia
Answer: B: Acute myeloid leukemia 
Explanation: Chronic myeloproliferative disorders Myeloid - CML Erythroid - Polycythemia vera Megakaryocytic - Essential thrombocytosis Fibroblast - Idiopathic myelofibrosis (Refer: Robbins & Cotran's - Pathologic Basis of Disease, SAE, 1st edition, Vol I-pg no: 616)