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MRI appearance of Treated lesions: external beam: early response to external beam irradiation, case 2 after external beam, but regrowth after external beam here , another case two months after external beam here. Lung cancer brain mets two months after external beam here and here and at 4 months here. Small brain met after two months here and another case here. Rectal cancer brain met at 3 and 5 months post radiation here. lung cancer at 4 months here. More sensitive cancers may respond quite well to external beam, such as small cell (go here). radiosurgery: small mets may be almost gone by 3 weeks. response after 3 weeks and same case after 4 months, gamma knife mets after two months here and here another case at 4 months here. Lung cancer large met after 4 weeks here. Lung cancer lesion after 10 months here, another lung cancer case at 19 months here.
Breast mets at two and three month here and here. . Breast cancer single met at 2 months here. Another breast case at two months
here. Ovary cancer mets at two months here and here.
Another large cystic met (ovary) 6 months after gamma knife
here. A
classic problem with brain mets is the development of new lesions (see here) |
