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AJNR - American Journal of Neuroradiology

Published ahead of print on February 12, 2009
doi: 10.3174/ajnr.A1452

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

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

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

View larger version (46K): [in this window] [in a new window]   Fig 1. The lateral and paramedian FBW.8 A, The lateral FBW is above the lateral aspect the eyebrow. The paramedian FBW is slightly lateral to the midline of the forehead. B, TCCS image obtained via the lateral FBW and the schema. M1 and A2 are color-coded with flow moving toward probe. The ipsilateral A1 is coded with flow moving away from probe. P1 and P2 are coded with flow moving toward and away, respectively, from the transducer in the lateral frontal insonation plane. C, TCCS image obtained via the paramedian FBW and the schema. A1 and A2 are color-coded with flow moving toward the probe; and the distal ACA and A3 are color-coded with flow moving away from probe. PcomA indicates posterior communicating artery; ICV, internal cerebral veins.