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| Callosal angle (blue V) || Acute angle || Obtuse angle | | Callosal angle (blue V) || Acute angle || Obtuse angle | ||
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| Most likely cause of | | Most likely cause of leucoaraiosis (periventricular signal alterations, blue arrows) | ||
| Transependymal [[cerebrospinal fluid]] diapedesis | | Transependymal [[cerebrospinal fluid]] diapedesis | ||
| Vascular encephalopathy, in this case suggested by unilateral occurrence | | Vascular encephalopathy, in this case suggested by unilateral occurrence | ||
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Revision as of 20:49, 7 December 2022
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| Normal pressure hydrocephalus | Brain atrophy | |
|---|---|---|
| Preferable projection | Coronal plane at the level of the posterior commissure of the brain. | |
| Modality in this example | CT | MRI |
| CSF spaces over the convexity near the vertex (red ellipse) | Narrowed convexity ("tight convexity") as well as medial cisterns | Widened vertex (red arrow) and medial cisterns (green arrow) |
| Callosal angle (blue V) | Acute angle | Obtuse angle |
| Most likely cause of leucoaraiosis (periventricular signal alterations, blue arrows) | Transependymal cerebrospinal fluid diapedesis | Vascular encephalopathy, in this case suggested by unilateral occurrence |