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ARRS COTW- August 27, 2018
ULTRASOUND: Vascular Case Author: Deborah Rubens, MD, University of Rochester History 37-year-old woman with right leg swelling that has lasted for 1 week. Imaging Findings Sagittal ultrasound image with spectral tracing of the right common femoral vein (A) shows a patent vessel with a monophasic waveform. Sagittal ultrasound image with spectral tracing of the…
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ARRS COTW- June 19, 2018
ULTRASOUND: Vascular Case Author: Deborah Rubens, MD, University of Rochester History 61-year-old woman without symptoms undergoing preoperative evaluation for cardiac surgery. Imaging Findings Sagittal spectral color Doppler image of the distal right common carotid artery (A) yields a peak systolic velocity of 51 cm/s. Sagittal spectral color Doppler image of the right internal carotid artery…
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ARRS Case of the Week- Jan 2, 2018
NEURORADIOLOGY: Vascular Case Author: Megan K. Strother, MD, Vanderbilt University Medical Center History 86-year-old man with intermittent dizziness, nausea, and vomiting. Imaging Findings Axial T1-weighted contrast-enhanced MR image (A) shows smooth dural enhancement. Axial T2-weighted MR image (B) shows a cystic extraaxial lesion in the anterior portion of the left middle cranial fossa and an…
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ARRS Case of the Week- August 7, 2017
NEURORADIOLOGY: Vascular Case Author: Megan K. Strother, MD, Vanderbilt University Medical Center History 22-year-old man with sudden left-sided weakness. Imaging Findings Parametric maps from CT perfusion study show decreased cerebral blood flow (A), decreased cerebral blood volume (B), and delayed mean transit time (C) in the right anterior and middle cerebral artery territories. Infarction Ischemia…