S Perot

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A case of pure motor hemiparesis due to a pontine lacunar infarct is reported. Infarction was related to vertebrobasilar ectasia identified on CT, MRI and MR angiography. MR studies provide accurate information on anatomical location, residual lumen, partial thrombosis, mass effect on brain stem and CSF pathways and vascular complications.
The Authors report a case of ataxic hemiparesis caused by a lacunar infarct involving the posterior limb of the right internal capsule, in a 64-year-old hypertensive man who completely recovered in about two weeks. The lesion was detected by MRI four days after the onset of illness, when the CT scan was normal. In patients presenting with ataxic(More)
Thirty intracranial tumours were explored by MRI, using T1- and T2-weighted sequences, before and after intravenous injection of Gd-DTPA. Two-thirds of the intra-axial tumours were accurately detected on one section plane by MRI without Gd-DTPA, but in one quarter of the cases Gd-DTPA only delineated precisely the tumour. On the other hand, Gd-DTPA failed(More)
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