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Radiology · Oncologic imaging
Sample itemWhat does PET-CT combine?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
D. Metabolic tracer uptake with anatomical CT localization
PET-CT combines functional radiotracer distribution with CT anatomy, improving localization of metabolically active tumour, inflammation, or infection.
Option by option
A. Radiography with fluoroscopy only
Radiography alone lacks PET function.
B. MRI diffusion with angiography only
MRI is a separate modality.
C. Ultrasound physics with CT only
Ultrasound is not part of PET-CT.
D. Metabolic tracer uptake with anatomical CT localization (correct)
Correct: fused functional and anatomical imaging is the advantage.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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