2016_Imaging for Physicists

Gradient-based segmentation improves target volume definition in NSCLC Wanet M et al. Radiother

Oncol 2011;98:117-25. • N=10 NSCLC patients • GTV delineation on CT±PET • Comparison with surgical specimen • PET yields more robust delineation in poorly defined tumors • Gradient based seg. outper-formed threshold method in terms of accuracy and robustness

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ESTRO Teaching Course Advanced Imaging: PET – Reconstruction, Contouring