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Veterans Administration Hospital, Hines, Illinois
Correspondence: For reprints contact: Ervin Kaplan, Nuclear Medicine Service, Veterans Administration Hospital, Hines, Ill. 60141.
ABSTRACT
We have demonstrated that the utility of an existing scintillation camera system can be extended to whole-body imaging and count profiling of static distributions of radioisotope by an add-on accessory while retaining the use of existing parallel-hole collimators.
Image quality is satisfactory but dependent on good positional linearity within the area of detector used. Selective tuning to improve positional linearity or to extend the region of adequate linearity would increase the resolution or the sensitivity, respectively, in an Anger system. Delay-line cameras with improved position arithmetics (1) may realize better use of the crystal area.
Uniformity is improved along the line of scan while in the transverse axis it may be improved by overlap scanning but with the penalty of increased total scan time.
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