Egas mounted his camera in the ‘radio-carousel’ invented by his colleague Jose Pereira Caldas to get a large series of angiograms in rapid succession. He was awarded a Nobel Prize in Medicine in 1949 for developing the first psychosurgery procedure.
Cerebral arteriography or angiography is a procedure by which the intracranial and extracranial head and neck circulation is evaluated.
It entails the placement of a catheter selectively into extracranial cerebral vessels using fluoroscopic guidance followed by contrast injection and image acquisition to delineate anatomy and abnormalities.
Conventional cerebral angiography is recommended for all patients with spontaneous intracerebral hemorrhage, expect for those older than 45 years with pre-existing hypertension in thalamic, putaminal or posterior fossa hemorrhage. Cerebral angiography can detect arterial and venous stenosis, vascular malformations or tumors.
Cerebral arteriography
