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Supplementary Figure 1 | Breast Cancer Research

Supplementary Figure 1

From: Breast imaging technology: Recent advances in imaging endogenous or transferred gene expression utilizing radionuclide technologies in living subjects: applications to breast cancer

Supplementary Figure 1

Schematic illustrating single photon emission computed tomography (SPECT) and positron emission tomography (PET). (a) In SPECT, a single photon is produced as the isotope decays and this single photon must be detected through rotating detectors using a collimator. (b) In PET, annihilation eventually occurs with the positron and electron to produce two high energy (511 keV) gamma rays at ~ 180° that are detected using a circular ring of detectors.

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Breast Cancer Research

ISSN: 1465-542X

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