A Rare Case of ALK-Positive Large B-Cell Lymphoma with CD33 Expression

Figure 1

H&E sections of the biopsy specimen demonstrating an involved lymph node. Images (a), (b), and (c) are at 2x, 10x, and 40x magnifications, respectively. The tumor cells are large, monomorphic, immunoblast-like with oval nuclei, prominent nucleoli, and abundant cytoplasm. The background shows residual small lymphocytes.

(a)

(b)

(c)