4 Ischemia

May 27, 2020 by in INTERVENTIONAL RADIOLOGY Comments Off on 4 Ischemia

10.1055/b-0036-141868 4 Ischemia Introduction In younger patients, the etiologies for cerebral infarction are many and varied, in distinction to older adults ( Fig. 4.1 ). Leading causes include cardiac and…

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5 Aneurysms

May 27, 2020 by in INTERVENTIONAL RADIOLOGY Comments Off on 5 Aneurysms

10.1055/b-0036-141869 5 Aneurysms Introduction By definition, an aneurysm is an abnormal dilatation, typically saccular or fusiform in shape, of an artery. Intracranial aneurysms are thought to result from hemodynamic stress,…

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2 Normal Anatomy

May 27, 2020 by in INTERVENTIONAL RADIOLOGY Comments Off on 2 Normal Anatomy

10.1055/b-0036-141866 2 Normal Anatomy Brain Parenchyma The major divisions of the human brain include the cerebrum, cerebellum, and brainstem. The cerebrum is further subdivided into the frontal, parietal, occipital, and…

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3 Hemorrhage

May 27, 2020 by in INTERVENTIONAL RADIOLOGY Comments Off on 3 Hemorrhage

10.1055/b-0036-141867 3 Hemorrhage Parenchymal Hemorrhage Hemorrhage has a specific but varied appearance on MR, dependent on time frame. The appearance is much more straightforward on CT. In normotensive young adults,…

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