Comparative biodistribution study of the new tumor tracer [123I]-2-iodo-L-phenylalanine with [123I]-2-iodo-L-tyrosine.
INTRODUCTION: Both A- and l-type amino acid transport are increased in tumor cells relative to normal tissue; these transport systems have been the major focus of the development of amino acid tumor tracers to overcome the limitations of [(18)F]-fluorodeoxyglucose ((18)F-FDG). The newly developed tracer 2-amino-3-(2-[(123)I]iodophenyl)propanoic acid ([(123)I]-2-iodo-l-phenylalanine) showed high and specific tumor uptake, slow renal elimination and low brain uptake. We compared [(123)I]-2-iod...Expand abstract
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