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AJNR - American Journal of Neuroradiology

Published ahead of print on October 9, 2007
doi: 10.3174/ajnr.A0822

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American Journal of Neuroradiology 29:107-109, January 2008
© 2008 American Society of Neuroradiology

Technical Note
INTERVENTIONAL

Intravenous 3D Digital Subtraction Angiography in the Diagnosis of Unruptured Intracranial Aneurysms

S. Toyota^a, K. Iwaisako^a, H. Takimoto^a and T. Yoshimine^a

^a From the Department of Neurosurgery, Osaka Neurological Institute, Osaka, Japan
^b Department of Neurosurgery, Osaka University Medical School, Osaka, Japan

Please address correspondence to Shingo Toyota, MD, PhD, Department of Neurosurgery, Osaka Neurological Institute, 2-6-23 Shounai, Takara-machi, Toyonaka, Osaka 561-0836, Japan; e-mail: stshto{at}aol.com

SUMMARY: Recent progress in digital subtraction angiography (DSA) devices makes it possible to perform rotational angiography with high resolution and high sensitivity. We tried intravenous (IV) 3D DSA in patients who had undergone MR angiography (MRA) suggestive of unruptured intracranial aneurysms. IV 3D DSA can be used as an alternative method for imaging unruptured intracranial aneurysms suggested on MRA.