Three-dimensional computerized tomography angiography in the diagnosis of cerebrovascular disease

Abstract

Computer-generated three-dimensional reconstruction of the intracranial vascular system obtained by contrast-enhanced computerized tomography (CT) has been used in the diagnosis of 20 patients with known or suspected intracranial cerebrovascular disease. This technique allows visualization of the intracranial vasculature without exposing patients to the risks associated with intra-arterial angiography. The color prints and videotape images generated have been used to diagnose the presence of intracranial aneurysms, arteriovenous malformations, and venous angiomas. They have also been used to rule out structural abnormalities in patients with suspected intracranial vascular pathology and to screen patients with a strong family history of intracranial aneurysm. In 11 patients who underwent both three-dimensional CT angiography and intra-arterial angiography, the diagnostic correlation was 100%. No complications from the procedures or from incorrect diagnosis have been encountered. Although this technique requires further development and clinical evaluation, the authors' early experience with three-dimensional CT angiography suggests that this may become a valuable tool in the diagnosis of patients with cerebrovascular disease.

Usefulness of three-dimensional CT for bow hunter stroke

“…Recently, anatomical relationships between vascular elements and bony structures have been well recognized using three-dimensional (3-D) CT [1,4]. However, to our knowledge, no case of bow hunter stroke detected using 3-D CT has been reported.…”

Spontaneous Intracerebral Hemorrhage Occurring during Progression of Chronic Subdural Hematoma

“…Chronic arterial hypertension is the most common cause, especially when this entity is located in putamen, thalamus, pons, and cerebellar vermis. 6,7) Other possible reasons are brain tumor bleeding, coagulopathy, amyloid angiopathy, vascular malformation, drug abuse, and aneurysmal rupture. On the other hand, CSDH is associated with frequent head injury, chronic alcoholism, epilepsy, aging, use of anticoagulants, and prior brain atrophy.…”

Recommendations for the Management of Patients With Unruptured Intracranial Aneurysms

“…28 -31 CT angiography has been used as a screening tool in populations at high risk for intracranial aneurysms. 25,[32][33][34] …”