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4 results on '"carotid ultrasounds"'

2. A typical example of cerebral watershed infarct

Author

Ina Juergenson, Sara Mazzucco, and Michele Tinazzi

Subjects
watershed infarct, carotid atherosclerosis, carotid ultrasounds, Diffusion-Weighted Magnetic Resonance., Medicine (General), R5-920
Abstract

Watershed infarcts (WI) evolve in hemodynamic risk zones. Clinical picture of WI can be associated to partial epileptic seizures. Diffusion weighted brain magnetic resonance imaging (MRI) allows a clear diagnosis. WI pathogenesis involves either embolic or hemodynamic mechanism. A 69-year old patient presented with sub-acute occurrence of right hemiparesis and partial epileptic seizures of the right arm. Carotid ultrasounds demonstrated occlusion of the right extra-cranial internal carotid artery (ICA) and tight stenosis of the contralateral ICA. Brain Diffusion-Weighted magnetic resonance revealed acute ischemic lesions within the watershed area of the left hemisphere. Our case supports the hypothesis of impaired washout of emboli in low-perfusion brain areas as the mechanism underlying cortical WI.

Published
2011
Full Text
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3. A Typical Example of Cerebral Watershed Infarct

Author

Michele Tinazzi, Sara Mazzucco, and Ina Juergenson

Subjects
medicine.medical_specialty, Pathology, carotid atherosclerosis, Diffusion-Weighted Magnetic Resonance, Hemodynamics, Case Report, Lateralization of brain function, magnetic resonance, medicine.artery, Internal medicine, Occlusion, medicine, cerebral infarct, Brain magnetic resonance imaging, lcsh:R5-920, medicine.diagnostic_test, business.industry, Right hemiparesis, Magnetic resonance imaging, watershed infarct, General Medicine, medicine.disease, carotid ultrasounds, Stenosis, Cardiology, Internal carotid artery, lcsh:Medicine (General), business
Abstract

Watershed infarcts (WI) evolve in hemodynamic risk zones. Clinical picture of WI can be associated to partial epileptic seizures. Diffusion weighted brain magnetic resonance imaging (MRI) allows a clear diagnosis. WI pathogenesis involves either embolic or hemodynamic mechanism. A 69-year old patient presented with sub-acute occurrence of right hemiparesis and partial epileptic seizures of the right arm. Carotid ultrasounds demonstrated occlusion of the right extra-cranial internal carotid artery (ICA) and tight stenosis of the contralateral ICA. Brain Diffusion-Weighted magnetic resonance revealed acute ischemic lesions within the watershed area of the left hemisphere. Our case supports the hypothesis of impaired washout of emboli in low-perfusion brain areas as the mechanism underlying cortical WI.

Published
2011
Full Text
View/download PDF

4. A typical example of cerebral watershed infarct.

Author

Juergenson I, Mazzucco S, and Tinazzi M

Abstract

Watershed infarcts (WI) evolve in hemodynamic risk zones. Clinical picture of WI can be associated to partial epileptic seizures. Diffusion weighted brain magnetic resonance imaging (MRI) allows a clear diagnosis. WI pathogenesis involves either embolic or hemodynamic mechanism. A 69-year old patient presented with sub-acute occurrence of right hemiparesis and partial epileptic seizures of the right arm. Carotid ultrasounds demonstrated occlusion of the right extra-cranial internal carotid artery (ICA) and tight stenosis of the contralateral ICA. Brain Diffusion-Weighted magnetic resonance revealed acute ischemic lesions within the watershed area of the left hemisphere. Our case supports the hypothesis of impaired washout of emboli in low-perfusion brain areas as the mechanism underlying cortical WI.

Published
2011
Full Text
View/download PDF

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