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Figure 1. A 47-year-old afebrile man infected with the human immunodeficiency virus presented with headache, weakness of the left arm, a CD4 count of 2 per cubic millimeter, and white-cell count of 3 per cubic millimeter. T1-weighted axial and coronal magnetic resonance imaging (with gadolinium) showed a 5-cm mass in the right frontoparietal region, the rim of which (long arrows in Panels A and B) was irregularly enhanced, with central hypointensity. Additional foci of abnormal enhancement were apparent within the right basal ganglia and infundibular stalk (open arrows in Panel B). On axial T2-weighted imaging, the central . . . [Full Text of this Article] |
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