circle of willis
Angiogram Of The Head - Time Resolved MRI
This video presents head time resolved MRI to demonstrate angiogram of the head, brain arteries and veins. Contrast enhanced MR angiogram images show the circle of Willis vessels and dural venous sinuses.
Brain aneurysm - Middle Cerebral Artery Bifurcation...
These aneurysms arise from middle cerebral artery, commonly at the bifurcation and present with sub arachnoid haemorrhage, hemiparesis, speech disturbances. Microsurgical obliteration/clipping is complete...
Brain Aneurysm - Internal Carotid Artery Bifurcation...
These are posterior circulation aneurysms, making 20% of intra cranial aneurysms, highly challenging surgically with high mortality and morbidity. This lady 62 yrs presented with sudden sever headache...
Brain Aneurysm (Anterior Communicating Artery...
These aneurysms are one of the most common sites of brain aneurysms. They commonly present with subarachnoid haemorrhage, headache , vomiting, altered sensorium. Microsurgical obliteration is treatment...
Skull Base Tumor - Dorsum Sella Meningioma -...
These are benign tumors. In the skull, slow growing. Originate from meninges can occur any where in the skull. When they occur in above said region they press on optic nerves and lead to progressive visual...
Brain Tumor - Cranio Pharyngioma - Microsurgery...
These are developmental tumors start by birth and slowly grow in size. These are situated around sella turcica, optic chiasma, hypothalamus. They originate from cranio-pharyngeal remnant. They present...
Brain aneurysm - Anterior Communicating Artery...
These aneurysms are one of the most common sites of brain aneurysms. They commonly present with subarachnoid haemorrhage, headache, vomiting, altered sensorium, microsurgical obliteration is treatment...
Brain Aneurysm - Anterior Choroidal Aneurysm...
These aneurysms are one of the most common sites of brain aneurysms. They commonly present with subarachnoid haemorrhage, headache, vomiting, altered sensorium. Microsurgical obliteration is treatment...
Brain Aneurysm - Posterior Communicating Aretry...
These are congenital out pouchings in weak wall of blood vessel. Circle of willis, 4% of normal population has these aneurysms and in them 20% are multiple. They present with sub arachnoid haemorrhage,...
Brain Aneurysm - Anterior Communicating Artery...
These aneurysms are one of the most common sites of brain aneurysms.they commonly present with subarachnoid haemorrhage, head ache, vomiting,altered sensorium,microsurgical obliteration is treatment of...
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