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Feasibility study of multileaf collimated electrons with a scattering foil based accelerator.
Radiother Oncol
November 1996
Mallinckrodt Institute of Radiology, Radiation Oncology Center, St. Louis, MO 63110, USA.
Background And Purpose: There is an ever evolving process to improve the technical aspects of electron beam delivery. Both the foil/applicator and scanning electron beam systems have gone through recent upheavals. Concomitantly, multileaf collimators are now a staple method for collimating photons.
View Article and Find Full Text PDFUse of bremsstrahlung radiation to monitor Y-90 tumor and whole body activities during experimental radioimmunotherapy in mice.
Cancer
February 1994
Department of Oncology, Johns Hopkins School of Medicine, Baltimore, Maryland.
Background: Large differences in uptake between tumors, even for the same size, frequently observed in clinical and experimental radioimmunotherapy (RAIT), make monitoring of uptake in individual tumors imperative in comparing protocols. 90Y, widely-used for RAIT, emits no gamma radiation and absorption of the beta particle in tissue makes its detection unsuitable for in vivo monitoring. We tested whether bremsstrahlung radiation, produced when betas are decelerated by nuclei, could be used to monitor tumor uptake.
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