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AJNR - American Journal of Neuroradiology

Publication Preview: Published February 12, 2009

American Journal of Neuroradiology 2009;30:1268.

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American Journal of Neuroradiology
DOI 10.3174/ajnr.A1452

BRAIN

Frontal Bone Window Improves the Ability of Transcranial Color-Coded Sonography to Visualize the Anterior Cerebral Artery of Asian Patients with Stroke

S. Yoshimura, M. Koga, K. Toyoda, T. Mukai, B.-H. Hyun, M. Naganuma, K. Nagatsuka and K. Minematsu

From the Cerebrovascular Division, Department of Medicine, National Cardiovascular Center, Osaka, Japan.

Please address correspondence to Masatoshi Koga, MD, Cerebrovascular Division, Department of Medicine, National Cardiovascular Center, 5-7-1 Fujishiro-dai, Suita, Osaka 565-8565, Japan; e-mail: koga{at}hsp.ncvc.go.jp

SUMMARY: The frontal bone window (FBW) is a promising approach in evaluating the anterior cerebral artery. The goal of the present study was to determine the rates of detection of the basal cerebral arteries by using the FBW alone and a combination of the FBW with the temporal bone window (TBW) in 163 patients. The combined application improved detection rates of A1 (58.6% versus 46.0%, P = .001) and A2 (43.6% versus 6.7%, P < .001) compared with the TBW alone.