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Abstract #3443

Diffusion Weighted Imaging in Head-And-Neck Cancer: Comparison Between Echo Planar and Turbo Spin Echo Sequences

Tim Schakel1, Gert van Yperen2, Johan van den Brink2, Frank A. Pameijer3, Chris Terhaard1, Hans Hoogduin3, Marielle E.P. Philippens1

1Radiotherapy, UMC Utrecht, Utrecht, Netherlands; 2Philips Healthcare, Best, Netherlands; 3Radiology, UMC Utrecht, Utrecht, Netherlands

Current DW-EPI images are, due to the geometric distortions, unsuitable for delineation purposes for radiotherapy treatment planning in head-and-neck cancer patients. The presented alternative, DW-SPLICE, can produce distortion free images at the cost of longer acquisition times and increased blurring.