SMZL : Morphology
Splenic Marginal Zone Lymphoma (SMZL) - Morphology: The image shows replacement of the lymphoid follicle of the white pulp by neoplastic cells. The marginal zone is expanded. Residual germinal center is seen.
The red pulp around the follicle is also diffusely involved and shows same pale-staining marginal zone cells as well as occasional centroblasts or immunoblasts.