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- W3121920518 abstract "Early identification of patients who fail to lung stereotactic body radiation therapy (SBRT) is vital as they can benefit from salvage therapy. Main guidelines recommend computed tomography (CT) to assess response and use of 18F-fluorodeoxyglucose (18F-FDG) positron emission tomography (PET)/CT only when a local recurrence is suspected in CT. The pattern of radiation-induced lung injury caused by SBRT is different from changes seen after conventional radiation therapy in terms of extent, time of manifestation, and morphologic characteristics, and knowing this is crucial for proper monitoring of the tumor response. In certain cases, it may be difficult to differentiate response from progression or recurrence on CT and, in addition, some changes in CT take a long time to evolve before they are considered suspicious, making early diagnosis difficult. Metabolic changes often precede morphological changes, so 18F-FDG PET/CT quantitative and qualitative metabolic criteria can be useful in assessing early response and detecting relapses. However, the optimal practice for follow-up remains unclear and there is an active search for imaging markers for recurrent disease, including CT texture analysis, biomarker assays, new PET/CT isotopes, and magnetic resonance imaging.The aim of the study was to review the radiological changes that are objectified after pulmonary SBRT and the metabolic changes in 1F-FDG PET/CT, to assess the usefulness of following up patients with 18F-FDG PET/CT.At present, the evaluation of response and diagnosis of relapse after SBRT are difficult and the incorporation of routine 18F-FDG PET/CT may have value in early diagnosis of relapse when the patient may still benefit from rescue treatment." @default.
- W3121920518 created "2021-02-01" @default.
- W3121920518 creator A5007787807 @default.
- W3121920518 creator A5013052538 @default.
- W3121920518 creator A5031295773 @default.
- W3121920518 creator A5036100132 @default.
- W3121920518 creator A5069747372 @default.
- W3121920518 date "2020-11-15" @default.
- W3121920518 modified "2023-10-16" @default.
- W3121920518 title "Evaluation of tumor response after stereotactic body radiation therapy for lung cancer: Role of 18F-fluorodeoxyglucose positron emission tomography/computed tomography." @default.
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- W3121920518 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/7821750" @default.
- W3121920518 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/33501386" @default.
- W3121920518 hasPublicationYear "2020" @default.