PMC3201612_01
Sagittal T1 flair showing an expansive tumor that affects the right parietal bone in a 42-years old patient with primary non Hodgkin's lymphoma of the cranial vault
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F1
MRI of the brain revealed an expansive tumor (11 x 5 cm) affecting the right parietal bone, including the scalp (Figure 1).
Diffuse large B cell lumphoma positive for CD20 (immunohistochemistry CD20 orginal magification x400)
pamj-8-50-g002.jpg
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F2
B-cell lymphoma (Figure 2). Based upon her clinical and histological presentation and radiographic images, the diagnosis of stage IE primary lymphoma of the cranial vault, according to the Ann Arbor classification system, was established.