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Figure 2 | Radiation Oncology

Figure 2

From: Differentiation of local tumor recurrence from radiation-induced changes after stereotactic radiosurgery for treatment of brain metastasis: case report and review of the literature

Figure 2

Multimodal imaging with structural MRI (contrast-enhanced T1- and FLAIR-weighted sequence), PWI MRI, and MET PET at the time point of suspected tumor recurrence. PWI MRI shows a perfusion deficit, areas with increased relative cerebral blood volume (rCBV) are not present. In contrast, MET PET is suggestive for radiation-induced changes (mean tumor-to-brain ratio, 1.40).

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Radiation Oncology

ISSN: 1748-717X

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