Case Report

Primary Bone Marrow B-Cell Lymphoma Undetected by Multiple Imaging Modalities That Initially Presented with Hypercalcemia

Figure 2

Histopathology of bone marrow biopsy specimen. (a) Bone marrow biopsy (hematoxylin-eosin stain, x200) shows infiltration of large atypical cells. (b) The immunohistochemical staining for CD20 (x100) is diffusely positive in large atypical cells.
(a)
(b)