Journal of neuroimaging : official journal of the American Society of Neuroimaging
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Atrophy of the corpus callosum is a recognized characteristic of multiple sclerosis (MS). We describe a new reliable method for measuring corpus callosum atrophy and correlate this with global cerebral atrophy measures. ⋯ Measurement of atrophy of the corpus callosum can have sensitivity as a useful imaging biomarker in patients with MS, even in patients with low disability levels. Both gray and white matter involvement in MS contribute to corpus callosum atrophy.
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The typical form of mild encephalitis/encephalopathy with a reversible splenial lesion— called MERS type I—is characterized by a singular, reversible lesion in the midline of the splenium. Very rarely, additional lesions with similar signal characteristics can occur in other brain areas, which is then referred to as MERS type II. We present the case of a patient with a reversible splenial lesion and concomitant reversible cerebellar lesions within the scope of an atypical hemolytic uremic syndrome (HUS).
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Case Reports
Iatrogenic pseudoaneurysm of the middle meningeal artery after external ventricular drain placement.
External ventricular drain (EVD) placement is often a routine but lifesaving neurosurgical procedure performed throughout the world. Misadventures involving the procedure are well documented throughout the literature. However, we present a unique case of middle meningeal artery pseudoaneurysm formation after EVD placement not before described and provide a review of the literature.
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Case Reports
Vertebral body infarct and ventral cauda equina enhancement: two confirmatory findings of acute spinal cord infarct.
Two valuable confirmatory MRI findings of acute spinal cord infarct are highlighted and discussed: concomitant vertebral body infarct and ventral cauda equina nerve root enhancement.