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Figure 1: Computed tomography shows hypodense cystic areas in both basal ganglia. Neither cyst has calcifi cation (a). Fluid-attenuated inversion recovery (FLAIR) and T2-weighted magnetic resonance images reveal multilobular cysts that are isointense to cerebrospinal fl uid and located in the basal ganglia, periventricular white matter, and centrum semiovale. Note the pericystic edema on the FLAIR images (b,d-f). On T1-weighted scans, cysts do not enhance with intravenous gadolinium (c)

Figure 1: Computed tomography shows hypodense cystic areas in both basal ganglia. Neither cyst has calcifi cation (a). Fluid-attenuated inversion recovery (FLAIR) and T2-weighted magnetic resonance images reveal multilobular cysts that are isointense to cerebrospinal fl uid and located in the basal ganglia, periventricular white matter, and centrum semiovale. Note the pericystic edema on the FLAIR images (b,d-f). On T1-weighted scans, cysts do not enhance with intravenous gadolinium (c)