Analysis of Gross Target Volume (GTV) Observer Variability with FDG-PET and Contrast Enhanced CT in Head and Neck Cancer Using Finite Element Modeling

S De Silva,J Waldron,S Breen,K Brock,G Pond,B Cummings,L Dawson,A Keller, J Kim,J Ringash,E Yu,B Sullivan

International journal of radiation oncology, biology, physics（2005）

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摘要

Purpose/Objective: Background: Highly conformal radiotherapy (RT) requires accurate target volume delineation (TVD) for dose escalation with normal tissue sparing. Expected observer variability in TVD may exceed margins ordinarily applied in head and neck (HN) RT planning.

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