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A PCA infarction arises, as the name says, from occlusion of the posterior cerebral artery.  Symptoms include contralateral homonymous hemianopia and quadrantic visual field defects.   http://radiopaedia.org/articles/posterior-cerebral-artery-pca-infarction

A PCA infarction arises, as the name says, from occlusion of the posterior cerebral artery. Symptoms include contralateral homonymous hemianopia and quadrantic visual field defects. http://radiopaedia.org/articles/posterior-cerebral-artery-pca-infarction

Cerebral arteriovenous malformation | Radiology Case | Radiopaedia.org

Cerebral arteriovenous malformation | Radiology Case | Radiopaedia.org

Trochlear IV | Cranial Nerves

Trochlear IV | Cranial Nerves

Sturge-Weber syndrome (SWS), or encephalotrigeminal angiomatosis, is a phakomatosis characterized by facial port wine stains and pial angiomas.  CT detects subcortical calcification at an earlier age than plain film and can also demonstrate associated parenchymal volume loss.  http://radiopaedia.org/articles/sturge-weber-syndrome-1

Sturge-Weber syndrome (SWS), or encephalotrigeminal angiomatosis, is a phakomatosis characterized by facial port wine stains and pial angiomas. CT detects subcortical calcification at an earlier age than plain film and can also demonstrate associated parenchymal volume loss. http://radiopaedia.org/articles/sturge-weber-syndrome-1

Cerebral venous thrombosis (CVT) refers to occlusion of venous channels in the cranial cavity, including dural venous thrombosis, cortical vein thrombosis and deep cerebral vein thrombosis.   Non-contrast CT, when not associated with venous haemorrhage or infarction can be a subtle finding, relying on hyperdensity of the sinus being identified. Thrombus can appear as a hyperdense vein or sinus for the first 7-14 days; this is an accurate sign when present.  http://radiopaedia.org/articles/ce

Cerebral venous thrombosis (CVT) refers to occlusion of venous channels in the cranial cavity, including dural venous thrombosis, cortical vein thrombosis and deep cerebral vein thrombosis. Non-contrast CT, when not associated with venous haemorrhage or infarction can be a subtle finding, relying on hyperdensity of the sinus being identified. Thrombus can appear as a hyperdense vein or sinus for the first 7-14 days; this is an accurate sign when present. http://radiopaedia.org/articles/ce

Major branches of the middle cerebral artery. (A) Coronal section showing the lenticulostriate, the precentral (pre-Rolandic), central (Rolandic), and the parietal and temporal branches. The internal carotid, anterior cerebral, and anterior communicating arteries; the optic chiasm; the internal capsule; and the temporal lobe of the brain are shown for orientation purposes. (B) Top view showing the anterior, middle, and posterior temporal arteries; the angular artery; the posterior and…

Major branches of the middle cerebral artery. (A) Coronal section showing the lenticulostriate, the precentral (pre-Rolandic), central (Rolandic), and the parietal and temporal branches. The internal carotid, anterior cerebral, and anterior communicating arteries; the optic chiasm; the internal capsule; and the temporal lobe of the brain are shown for orientation purposes. (B) Top view showing the anterior, middle, and posterior temporal arteries; the angular artery; the posterior and…

Mele puzzle  per imparare i numeri e le quantutà - Counting Game Apple - Zählspiel Apfel

Mele puzzle per imparare i numeri e le quantutà - Counting Game Apple - Zählspiel Apfel

Cerebral Strokes. The two major mechanisms that cause brain damage in stroke are, ischemia and hemorrhage. In ischemic stroke there is decreased or absent circulating blood deprives neurons of essential substrates. Ischemic stroke represents about 80% of all strokes.

Cerebral Strokes. The two major mechanisms that cause brain damage in stroke are, ischemia and hemorrhage. In ischemic stroke there is decreased or absent circulating blood deprives neurons of essential substrates. Ischemic stroke represents about 80% of all strokes.

Stenoses in neck arteries. MRI showing multiple stenoses (narrowings) in the vertebral arteries of the neck as well as aneurysm (bulging).

Stenoses in neck arteries. MRI showing multiple stenoses (narrowings) in the vertebral arteries of the neck as well as aneurysm (bulging).

Brain Ischemia - Vascular territories

Brain Ischemia - Vascular territories