Données démographiques:
58 ans, Masculin
Indication:
Left-sided weakness
Constatations
CT
- Areas of hypoattenuation in the anterior right basal ganglia/anterior limb of the right internal capsule and in the right frontal subcortical white matter with mild corresponding local mass effect
MRI
- Multifocal areas of parenchymal restricted diffusion involving the bilateral cerebral and cerebellar hemispheres
- The largest lesion is located in the anterior right basal ganglia/anterior limb of the right internal capsule, which measures 3 x 2.5 x 2.3 cm, demonstrates peripheral enhancement which is incomplete along its ependymal margin, and demonstrates central restricted diffusion
- Linear enhancement extends along the superior margin of the right lateral ventricle
- Many of these lesions demonstrate peripheral susceptibility artifact
- Surrounding vasogenic edema, particularly involving the right basal ganglia and right frontal subcortical lesions
- No substantial midline shift or evidence of herniation or hydrocephalus
Diagnostic
Septic emboli with pyogenic brain abscesses
Caractéristiques clés de l'imagerie
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Diagnostic différentiel
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Discussion
Points essentiels
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