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Single-photon Emission Computer study

Single-photon emission computed tomography (SPECT) studies are acquired by rotating the y-camera around the patient s long axis. These data are then used to reconstmct the radioactivity distribution in three dimensions. This may be displayed as sHces of radioactivity concentration or rendered so as to present the appearance of a soHd volume. [Pg.482]

Weinberger, D. R., Gibson, R., Coppola, R. et al. The distribution of cerebral muscarinic acetylcholine receptors in vivo in patients with dementia. A controlled study with 123IQNB and single photon emission computed tomography. Arch. Neurol. 48 169-176,1991. [Pg.959]

Chan, H-K., Use of single photon emission computed tomography in aerosol studies, J. Aerosol... [Pg.268]

Berman DS, Kiat H, Friedman JD, Wang FP, van TK, Matzer L et al. Separate acquisition rest thallium-201/ stress technetium-99m sestamibi dual-isotope myocardial perfusion single-photon emission computed tomography a clinical validation study. J Am Coll Cardiol 1993 22 1455-1464... [Pg.33]

In a comparative study, [ F]FDHR, the well-known extractable MBF SPECT (single photon emission computed tomography) tracer p° TI]TICI, and the vascular reference tracer [ l]albumin were evaluated in 22 isolated erythrocyte- and albumin-perfused rabbit hearts. A superior retention of [ F]FDHR was observed and the net uptake of this F-labeled compound was better correlated with the blood flow than that of p° TI]TICI, indicating that [ F]FDHR is a better flow tracer than p° TI]TICI in isolated rabbit hearts [72]. [Pg.98]

Positron emission tomographic (PET) studies may reveal a reduced cerebral metabolic rate for oxygen utilization, while single-photon emission computed tomographic (SPECT) studies can ascertain strokes in individuals with MELAS by using a tracer, /V-isopropyl-p- 123-1 -iodoamphetamine. The tracer accumulates in the parietooccipital region, and it can delineate the extent of the lesion. SPECT studies are used to monitor the evolution of the disease. [Pg.91]

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