Figure 6

(a, b) (Case 5): Burkitt lymphoma (a) Ki-67 labels 99% of neoplastic cells. (b) The neoplastic cells are also positive for BCL-2 (immunohistochemistry, × 500).

(a, b) (Case 5): Burkitt lymphoma (a) Ki-67 labels 99% of neoplastic cells. (b) The neoplastic cells are also positive for BCL-2 (immunohistochemistry, × 500).