Case of the Month

Our Imaging Case of the Month is presented as a part of the imaging department's residency teaching program. Each month a resident collaborates with one of our attending imaging physicians to present an interesting case to the Cedars-Sinai medical community. The case is used to teach both imaging and other residents at Cedars-Sinai. Below is the current Case of the Month:  

Submitted by Joseph Miller, MD, H. Gabriel Lipshutz, MD , and Thomas J. Learch, MD .

Case Presentation

  • A 64 year old man presents with hypertension, headache, and intermittent neurologic complaints
  • Doppler ultrasound of the carotids was performed:

For a larger image, please click Doppler Ultrasound 1 and Doppler Ultrasound 2


What peak systolic velocity serves as the cutoff for 50% stenosis of the ICA?
    a. 75 cm/s
    b. 100 cm/s
    c. 125 cm/s
    d. 150 cm/s


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