Fig. 4
From: Primary diffuse large B-cell lymphoma of the cranial vault with Trousseau syndrome: a case report
Histopathological findings of the resected skull tumor. A Large atypical cells invaded diffusely, and individual tumor cells with irregular nuclei were observed (hematoxylin and eosin stain, ×40). B Histological examination showing that the large tumor cells were immunoreactive for CD20 (immunohistochemistry, CD20, ×20). C Histological examination showing that the large tumor cells were immunoreactive for CD79a (immunohistochemistry, CD79, ×20)