Recommendations of the Spanish Societies of Radiation Oncology (SEOR), Nuclear Medicine & Molecular Imaging (SEMNiM), and Medical Physics (SEFM) on 18F-FDG PET-CT for radiotherapy treatment planning |
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Authors: | Begoña Caballero Perea Antonio Cabrera Villegas José Miguel Delgado Rodríguez María José García Velloso Ana María García Vicente Carlos Huerga Cabrerizo Rosa Morera López Luis Alberto Pérez Romasanta Moisés Sáez Beltrán |
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Affiliation: | 1. Department of Radiation Oncology, Hospital Universitario de Fuenlabrada, Spain;2. Department of Nuclear Medicine, CIBIR, Logroño, Spain;3. Department of Medical Physics, Hospital Universitario Doce de Octubre de Madrid, Spain;4. Department of Nuclear Medicine, Clínica Universidad de Navarra, Pamplona, Spain;5. Department of Nuclear Medicine, Hospital General Universitario de Ciudad Real, Spain;6. Department of Medical Physics, Hospital Universitario La Paz de Madrid, Spain;7. Department of Radiation Oncology, Hospital Ramón y Cajal de Madrid, Spain;8. Department of Radiation Oncology, Hospital General Universitario de Ciudad Real, Spain;9. Department of Medical Physics, Hospital Universitario de Fuenlabrada, Spain |
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Abstract: | Positron emission tomography (PET) with 18F-fluorodeoxyglucose (FDG) is a valuable tool for diagnosing and staging malignant lesions. The fusion of PET and computed tomography (CT) yields images that contain both metabolic and morphological information, which, taken together, have improved the diagnostic precision of PET in oncology. The main imaging modality for planning radiotherapy treatment is CT. However, PET-CT is an emerging modality for use in planning treatments because it allows for more accurate treatment volume definition. The use of PET-CT for treatment planning is highly complex, and protocols and standards for its use are still being developed. It seems probable that PET-CT will eventually replace current CT-based planning methods, but this will require a full understanding of the relevant technical aspects of PET-CT planning. The aim of the present document is to review these technical aspects and to provide recommendations for clinical use of this imaging modality in the radiotherapy planning process. |
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Keywords: | Radiotherapy planning PET PET-CT CT Delineation Contouring |
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