BACKGROUND AND PURPOSE: While the number of CTA examinations is continually
increasing compared with DSA examinations, there is little comparative dose information …

BACKGROUND AND PURPOSE: Since the introduction of flat panel detector–equipped C-
arms, the use of flat panel detector CT (FPCT) in the neuroradiologic angiography suite has …

BACKGROUND AND PURPOSE: As the use of 3D rotational angiography (3D RA) for the
evaluation of cerebral vasculature becomes more widespread, it is important to evaluate this …

BACKGROUND AND PURPOSE: Recently introduced 320-detector row CT enables whole
brain perfusion imaging compared to a limited scanning area in 64-detector row CT. Our aim …

Computed tomography angiography (CTA) of carotid arteries and vertebrobasilar system is
a standardized procedure with excellent image quality, but radiation exposure remains a …

BACKGROUND AND PURPOSE: Conventional CT angiography (CTA) is acquired during
only a short interval in the arterial phase, which limits its ability to evaluate the cerebral …

Purpose DSA remains the gold standard imaging method for the evaluation of many
cerebrovascular disorders, in particular cerebral aneurysms and vascular malformations …

Purpose To evaluate radiation dose in cerebral perfusion studies with a multi-detector row
CT (MDCT) scanner on various voltage and current settings by using a human head …

BACKGROUND AND PURPOSE: To assess patient radiation exposure in comprehensive
stroke imaging using multidetector row CT (MDCT) combining standard CT of the head …

BACKGROUND AND PURPOSE: CTA is considered the imaging modality of choice in
evaluating the supraaortic vessels in many institutions, but radiation exposure remains a …