Imaging Modalities · NEET PG Preparation Radiology
Which of the following radiotracers is most commonly used in Positron Emission Tomography (PET) imaging for oncological staging and metabolic evaluat…
Practice question from Imaging Modalities (NEET PG Preparation Radiology), with the correct answer and a step-by-step solution.
easy · MCQ · Q-2F0755
Which of the following radiotracers is most commonly used in Positron Emission Tomography (PET) imaging for oncological staging and metabolic evaluation?
- A.Technetium-99m (99mTc)
- B.Fluorine-18 fluorodeoxyglucose (18F-FDG)Correct answer
- C.Iodine-131 (131I)
- D.Gallium-67 (67Ga)
Solution
18F-FDG (Fluorine-18 fluorodeoxyglucose) is a glucose analog widely used in PET imaging to detect areas of high glucose metabolism, which is characteristic of malignant tumors, active inflammation, and the brain.
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