Comparison between CT- and FDG-PET-defined target volumes for radiotherapy planning in head-and-neck cancers.
case_series · Level IV
Where this comes from
- Record sourced from PubMed, PMID 19880207.
- Also identified by DOI 10.1016/j.radonc.2009.09.010.
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Abstract
Nine patients with head-and-neck cancer underwent computerized tomography (CT) simulation and [(18)F]-fluorodeoxyglucose positron emission tomography (FDG-PET) to compare the radiotherapy target volumes. The PET volumes were delineated with an automatic segmentation based on the source-to-background ratio. The volume comparison showed a reduction and qualitative discrepancies between the PET- and CT-volumes.
Medical subject headings
- Carcinoma, Squamous Cell
- Fluorodeoxyglucose F18
- Head and Neck Neoplasms
- Positron-Emission Tomography
- Radiopharmaceuticals
- Radiotherapy Planning, Computer-Assisted
- Tomography, X-Ray Computed