Identification of stenosis of the opercular segment of the middle cerebral artery trunk by transcranial color flow duplex doppler.
Transcranial color flow duplex Doppler sonography was able to identify a stenosis of the middle cerebral artery documented by angiography to be just proximal to the start of the sylvian triangle in a 50-year-old woman with progressive aphasia. The lesion was too distal to be detected by traditional transcranial Doppler sonography. Transverse and longitudinal color flow images of the opercular segment of the middle cerebral artery are shown with identification of the branches of the middle cerebral artery trifurcation.
From the Division of Neurology, North General Hospital, New York, NY, U.S.A.; Departments of Neurology, The Mount Sinai School of Medicine, New York, NY, U.S.A.
J
J
Weinberger
Departments of Neurology, The Mount Sinai School of Medicine, New York, NY, U.S.A.
D R
DR
Horowitz
Departments of Radiology, The Mount Sinai School of Medicine, New York, NY, U.S.A.
M
M
Sacher