Immunohistochemical features. The tumor cells are positive for CD5 (A), CD20 (B), and κ-chain (C). λ-chain was negative (D). A, B, C: ×200. D, x400. The tumor cells were negative for CD3 (E). A small amount of CD3-positive inflammatory cells are seen (E). E: ×200.
Terada Diagnostic Pathology 2012 7:16 doi:10.1186/1746-1596-7-16