BACKGROUND AND PURPOSE: CT angiography is increasingly used to evaluate patients
with nontraumatic subarachnoid hemorrhage given its high sensitivity for aneurysms. We …

Radiologists working in an emergency radiology setting frequently interpret computed
tomography (CT) studies of patients with suspected subarachnoid hemorrhage (SAH). This …

BACKGROUND: The yield of repeat catheter angiography in patients with subarachnoid
hemorrhage (SAH) who have negative initial catheter and computed tomography (CT) …

Objectives Intra-arterial digital subtraction angiography (DSA), magnetic resonance
angiography (MRA) and computed tomographic angiography (CTA) are imaging modalities …

Purpose: To evaluate the diagnostic accuracy of dual-energy computed tomographic
angiography (DE-CTA) in the detection of intracranial aneurysms and to determine whether …

Background CT angiography (CTA) is widely used for the detection of vascular lesions in
patients with non-traumatic subarachnoid hemorrhage (ntSAH); however, digital subtraction …

The only acceptable modality for imaging patients with intracranial aneurysms is that which
detects the aneurysm quickly, reliably, and safely and guides the prompt proper therapy; in …

BACKGROUND AND PURPOSE: The yield of DSA in patients with SAH and negative initial
noninvasive neurovascular examinations (CTA or MRA) is not well-understood. This study …

Object The yield of CT angiography (CTA) and MR angiography (MRA) in patients with
subarachnoid hemorrhage (SAH) who have a negative initial catheter angiogram is currently …

BACKGROUND AND PURPOSE: Both CT angiography and digital subtraction angiography
are used to detect aneurysms in patients with subarachnoid hemorrhage. We examined a …