Using 4DCBCT simulation and guidance to evaluate inter-fractional tumor variance during SABR for lung tumor within the lower lobe
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DOI: 10.1038/s41598-021-99489-1
Abstract: Inter-fractional tumor variance would lead to insufficient dosage or overdose in tumor region during lung cancer radiotherapy. However, previous works have not considered influence of inter-fractional tumor amplitude variance at treatment position due to lack… read more here.
Keywords: fractional tumor; inter fractional; variance; lung tumor ... See more keywords
Perfusion MRI-Based Fractional Tumor Burden Differentiates between Tumor and Treatment Effect in Recurrent Glioblastomas and Informs Clinical Decision-Making
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DOI: 10.3174/ajnr.a6211
Abstract: Forty-seven patients with high-grade gliomas (primarily glioblastoma) with recurrent contrast-enhancing lesions on DSC-MR imaging were retrospectively evaluated after surgical sampling. Histopathologic examination defined treatment effect versus tumor. Normalized relative CBV thresholds of 1.0 and 1.75… read more here.
Keywords: treatment effect; fractional tumor; tumor burden; tumor ... See more keywords
DSC Perfusion MRI–Derived Fractional Tumor Burden and Relative CBV Differentiate Tumor Progression and Radiation Necrosis in Brain Metastases Treated with Stereotactic Radiosurgery
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DOI: 10.3174/ajnr.a7501
Abstract: BACKGROUND AND PURPOSE: Differentiation between tumor and radiation necrosis in patients with brain metastases treated with stereotactic radiosurgery is challenging. We hypothesized that MR perfusion and metabolic metrics can differentiate radiation necrosis from progressive tumor… read more here.
Keywords: relative cbv; fractional tumor; tumor burden; radiation necrosis ... See more keywords