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- W1980093568 abstract "We have used computer simulations to compare two designs for a PET scanner dedicated to breast imaging with a whole-body PET scanner. The new designs combine high spatial resolution, high sensitivity, and good energy resolution to detect small, low-contrast masses. The detectors are position sensitive NaI(Tl) scintillators. The first design is a ring scanner surrounding the breast and the second consists of two planar detectors placed on opposite sides of the breast. We have employed standard performance measures to compare the different designs: contrast, percentage standard deviation of the background, and signal-to-noise ratios of reconstructed images. The results of the simulations show that both of the proposed designs have better lesion detectability than a whole-body scanner. The results also show that contrast is higher in the ring breast system but that the noise is lower in the planar breast system. Overall, the ring system yields images with the best signal-to-noise ratios, although the planar system offers practical advantages for imaging the breast and axilla." @default.
- W1980093568 created "2016-06-24" @default.
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- W1980093568 date "1997-12-01" @default.
- W1980093568 modified "2023-09-26" @default.
- W1980093568 title "Dedicated PET scanners for breast imaging" @default.
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- W1980093568 doi "https://doi.org/10.1088/0031-9155/42/12/012" @default.
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