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Abstract #0140

Advantages of fast spin-echo diffusion weighted imaging in detecting small stroke lesions

Karis J, Pipe J, Debbins J
St. Joseph's Hospital

Stroke lesion detection is improved using diffusion-weighted Propeller imaging when compared with standard single-shot EPI DWI methods, particularly for very small lesions. We investigate the mechanisms of this small lesion improvement, particularly local susceptibility from T2* effects due to increased deoxyhemoglobin concentrations. Results show that Propeller diffusion imaging improves lesion conspicuity when compared to standard single shot EPI diffusion methods and thus provides a better estimate of total stroke.