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Abstract #4182

Intraoperative Arterial Spin Labeling – feasibility and first results

Thomas Lindner1, Isabel Lübbing2, Christian von der Brelie2,3, Michael Helle4, Olav Jansen1, Michael Synowitz2, and Stephan Ulmer1,5

1Clinic for Radiology and Neuroradiology, University Hospital Schleswig-Holstein, Kiel, Germany, 2Clinic for Neurosurgery, University Hospital Schleswig-Holstein, Kiel, Germany, 3Clinic for Neurosurgery, University Hospital Göttingen, Göttingen, Germany, 4Tomographic Imaging Department, Philips Research, Hamburg, Germany, 5Medizinisch Radiologisches Institut, Zurich, Switzerland

Performing MRI studies in an intraoperative setting is generally limited due to hardware and patient positioning restrictions. Structural imaging alone might not be sufficient to gather all required information. The goal of this study was to implement pseudo-continuous ASL in the intraoperative neurosurgical setting with limited hardware available and compare the images with measurements obtained pre-, and postoperatively on different clinical MRI scanners. The first application in a patient shows the potential of intraoperative ASL imaging with regards to visualizing residual tumor mass already during the surgical intervention in similar image quality.

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