This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Haematology, Subject name: Pathology
Basophillic leucocytosis occurs in -- 
Select and explain. 
A. AML, B. ALL, C. CML, D. CLL
C: CML
Answer: C: CML 
Explanation: Basophil leukocytosis or basophilia refers to an increase in the number of basophilic leucocytes above 100 per microlitre.Seen in CML, POLYCYTHEMIA VERA, MYELOSCLEROSIS,MYXOEDEMA,ULCERATIVE COLITIS,FOLLOWING SPLENECTOMY, HODGKIN&;S DISEASE, UICARIA PIGMENTOSA. Reference; Harsh Mohan textbook of pathology, 7th edition.Pg no.329