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THE QUARTERLY JOURNAL OF NUCLEAR MEDICINE AND MOLECULAR IMAGING

Rivista di Medicina Nucleare e Imaging Molecolare


A Journal on Nuclear Medicine and Molecular Imaging
Affiliated to the Society of Radiopharmaceutical Sciences and to the International Research Group of Immunoscintigraphy
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  TECHNOLOGIES AND METHODS IN NUCLEAR MEDICINE
Guest Editors: Todd-Pokropek A., Gilardi M. C.


The Quarterly Journal of Nuclear Medicine 2002 March;46(1):3-7

lingua: Inglese

Solid state detectors in Nuclear Medicine

Darambara D. G., Todd-Pokropek A.

From the Department of Medical Physics and Bioengineering University College London, London, UK


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Since Nuclear Medicine diag­nos­tic appli­ca­tions are grow­ing ­fast, ­room tem­per­a­ture sem­i­con­duc­tor detec­tors ­such CdTe and CdZnTe ­either in the ­form of sin­gle detec­tors or as seg­ment­ed mono­lith­ic detec­tors ­have ­been inves­ti­gat­ed aim­ing to ­replace the NaI scin­til­la­tor. These detec­tors ­have inher­ent­ly bet­ter ener­gy res­o­lu­tion ­that scin­til­la­tors cou­pled to pho­to­diodes or pho­to­mul­ti­pli­er ­tubes lead­ing to com­pact imag­ing ­systems ­with high­er spa­tial res­o­lu­tion and ­enhanced con­trast. Advantages and dis­ad­van­tag­es of CdTe and CdZnTe detec­tors in imag­ing ­systems are dis­cussed and ­efforts to devel­op sem­i­con­duc­tor-­based pla­nar and tom­o­graph­ic cam­e­ras as ­well as nucle­ar ­probes are pre­sent­ed.

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