Episode 3: Aunt Minnie in CT Evaluation of Stroke

Hao and Chris discuss three Aunt Minnies in CT evaluation of Stroke with Dr. Aly Abayazeed from the division of Neuroradiology. 

1. Hyperdense vessel sign
2. Insular ribbon sign
3. Delayed vessel sign

Resources:

• Prognostic value of the hyperdense middle cerebral artery sign and stroke scale score before ultraearly thrombolytic therapy.T Tomsick, T Brott, W Barsan, J Broderick, E C Haley, J Spilker, J Khoury. American Journal of Neuroradiology Jan 1996, 17 (1) 79-85;
• State-of-the-Art Imaging of Acute Stroke. Ashok Srinivasan, Mayank Goyal, Faisal Al Azri, and Cheemun Lum.  RadioGraphics 2006 26:suppl_1, S75-S95
• Improved Detection of Anterior Circulation Occlusions: The “Delayed Vessel Sign” on Multiphase CT Angiography. Byrne, G. Sugrue, E. Stanley, J.P. Walsh, S. Murphy, E.C. Kavanagh, P.J. MacMahon. American Journal of Neuroradiology Oct 2017, 38 (10) 1911-1916; DOI: 10.3174/ajnr.A5317