What is the DWI lesion score for basilar artery thrombosis?

Updated: Jan 11, 2019
  • Author: Salvador Cruz-Flores, MD, MPH, FAHA, FCCM, FAAN, FACP, FANA; Chief Editor: Helmi L Lutsep, MD  more...
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A baseline brainstem diffusion-weighted imaging (DWI) lesion score can be used as an independent predictor for clinical outcome in patients with basilar artery thrombosis. [12]

The total number of brainstem arterial territories with abnormal DWI defines the brainstem DWI lesion score, which ranges between 0 and 22. A score of 0 indicates absence of visible posterior circulation ischemia; a score of 22 indicates DWI restriction in the entire brainstem. [12]

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