Three patients with nearly occluded internal carotid artery origins were evaluated with intravenous digital subtraction angiography and subsequently had successful carotid endarterectomies. The angiographic features are described. Although conventional arterial angiography offers superior spatial resolution and selectivity, the thorough mixing of blood and contrast medium that occurs with the i...

Neuroimaging is a critical element in evaluating and treating patients with cerebral aneurysms. Each neuroimaging technique has unique strengths, weaknesses, and current developments. In this review, we discuss the utility of two primary noninvasive radiological techniques—computed tomography angiography (CTA) and magnetic resonance angiography (MRA)—as well as of digital subtraction angiograph...

During transcubital selective digital subtraction angiography (DSA), difficulties in catheterization of the supraaortic branches may arise as a result of improper catheter design (1, 2]. The catheters used for transfemoral cerebral angiography may not be suited for such studies , and for this reason we designed a new catheter for both transcubital aortic arch angiography and selective or semise...

A 62-year-old woman had sudden-onset headache and posterior neck pain, and a subarachnoid hemorrhage was revealed by unenhanced CT. Both multi-detector CT angiography and digital subtraction angiography were performed and revealed a small intracanalicular aneurysm of the left anterior inferior cerebellar artery. The patient underwent successful retrosigmoid craniectomy and trapping of the aneur...

A nomalous origin of the right coronary artery (RCA) arising from the pulmonary trunk (PT) is rare, with an expected incidence of 0.002%. Numerous modalities are available to aid in establishing the diagnosis, including echocardiography, digital subtraction angiography, magnetic resonance angiography, and computed tomography coronary angiography (CTCA). We describe a case of anomalous origin of...