COMPARISON AND SELECTION OF SOME COMMON ADRENAL IMAGING AGENTS FOR CLINICAL USE: THEIR SYNTHESIS, LABELLING AND STABILITY

Adrenal imaging agents for current clinical use are ~(131)I-19-iodocholesterol (CL-19-~(131)I), ~(131)I-6-iodoeholestero1 (CL-6-~((131))I), ~(123)(131)I-6β-iodom(?)thyl-19-norcholest-5(10)-en-3β-ol (NCL-6-~(123)((131)I) and ~(75)Se-6β-methylselenomethyl-19-norchoholest-5(10)-en-3β-ol (SMC)etc. They are introduceu here and compared with each other according to their synthesis, labelling and stability.