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AJNR - American Journal of Neuroradiology

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Early Uncoupling of Cerebral Blood Flow and Metabolism after Bilateral Thalamic Infarction

Beau M. Ances^a, David S. Liebeskind^a,b, Andrew B. Newberg^b, Dina A. Jacobs^a and Abass Alavi^b

^a Department of Neurology, University of Pennsylvania, Philadelphia, PA
^b Department of Radiology, University of Pennsylvania, Philadelphia, PA

View larger version (105K): [in a new window]   FIG 1. Noncontrast CT on admission reveals a chronic left frontal infarct without acute ischemic changes.

View larger version (107K): [in a new window]   FIG 2. Emergent angiogram of the basilar artery (anteroposterior view) demonstrates absence of arterial occlusion.

View larger version (107K): [in a new window]   FIG 3. Subacute bilateral paramedian thalamic infarction depicted on noncontrast CT.

View larger version (62K): [in a new window]   FIG 4. Concomitant SPECT (A) and FDG-PET (B) during the subacute phase illustrates thalamic luxury perfusion and cortical diaschisis.

View larger version (66K): [in a new window]   FIG 5. At 6 months from stroke onset, concomitant SPECT (A) and FDG-PET (B) detail normal thalamic coupling and resolution of diffuse cortical diaschisis.