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: Pathology
About Burkitt's lymphoma, true is- 
Select and explain. 
A. CD34 + ve & Surface Ig +ve, B. CD34 + ve & Surface Ig -ve, C. CD34 - ve & Surface Ig -ve, D. CD34 - ve & Surface Ig +ve
D: CD34 - ve & Surface Ig +ve
Answer: D: CD34 - ve & Surface Ig +ve 
Explanation: Burkitt's lymphoma is a tumor of mature B cells that express surface IgM, CD19, CD20, CD10, and BCL6, a phenotype consistent with a germinal center B-cell origin.
Unlike other tumors of germinal center origin, Burkitt lymphoma almost always fails to express the antiapoptotic protein BCL2 (This information has been added in 8th of Robbin's)