Dye used in SPECT -: (A) 0-14, (B) Tc - 99, (C) Nitrogen - 16, (D) Iodine 124
Answer is B. Ans. is 'b' i.e., Tc - 99 o The radioisotopes typically used in SPECT to label tracers are Iodine - 123, technetium - 99m, xenon -133, thallium - 201, and fluorine - 18.