Fig. 2
From: Leptomeningeal metastasis in a marginal zone lymphoma, presenting as a delirium: case report
CSF microscopy showing one medium- (°) and four small-sized (*) lymphoid cells with clumped and sometimes irregular nuclear chromatin. They have a moderately abundant, slightly basophilic cytoplasm with fine protrusions (arrows). The small lymphoid cell in the lower right corner has an adjacent red blood cell (RBC)