¹⁸F-FDG PET in the Diagnosis and Treatment of Primary Central Nervous System Lymphoma

Figure 2

Contrast-enhanced T1-weighted MR (a) and ¹⁸F-FDG PET (b) images in an HIV-positive patient with toxoplasmosis. MR images show multiple, small, irregular enhanced lesions in the basal ganglia and the white matter. PET images show no ¹⁸F-FDG uptake in the lesions.

(a)

(b)