Positron emission tomography imaging is commonly performed using: September 2011
Correct Answer: 2-18 fluoro-2-deoxy D-glucose (18 FDG)
Description: Ans. B: 2-18 fluoro-2-deoxy D-glucose (18 FDG) The majority of clinical PET imaging is now performed with the glucose analogue 2-18 fluoro-2-deoxy D-glucose (18 FDG) which has a half life of 110 min. PET scan: Differentiates radiation necrosis from active neoplasm following therapy Recent role is in investigation of recurrent GIST tumours
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