At a time of exploding technological innovation in the field of non-invasive diagnosis, the applications of nuclear medicine continue to expand both as a substitute to less advantageous procedures and as a necessary adjunct to newly introduced techniques. The success of this field in the United States can be appreciated from the following statistical indicators: some 7 million studies are performed every year (representing an annual cash flow of approximately a billion dollars) and have engendered an 80 million dollar per year market for instrumentation. A large nuclear medicine clinic will inject over 1 Ci of activity during the average working day, with the annual sales of radiopharmaceuticals reaching the 50 million dollar level in 1978.
KeywordsFalse Alarm Scatter Fraction Nuclear Medicine Image Scintillation Camera Line Spread Function
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