Burkitt&;s lymphoma is positive for-: (A) CD5, (B) CD 15, (C) CD 20, (D) CD 25
Answer is C. Burkitt lymphomas are tumours of mature B cells that express surface IgM, CD19, CD20, CD10 and BCL6 ,a phenotype consistent with a germinal centre B cell origin. Reference : Robbins and Cotran Pathologic basis of disease.South Asia Edition volume 1.page no. 597