A high-resolution CAT scan of a 62-year-old smoker has revealed several nodules on the right lung. Which of the following procedures would you suggest to assess the "malignancy" of these nodules?
A) Ultrasound tomography
B) Positron emission tomography
C) Magnetic resonance imaging
D) CAT scan angiography

Question

Quizplus · Accepted Answer

Positron emission tomography (PET) is often very helpful in evaluating solitary pulmonary nodules. Nodules with greater than 1 cm diameter that are avid for the isotope used in PET (5 fluorodeoxyglucose) and therefore "light up" on the scan generally are more likely to be malignant than nodules without uptake.

A High-Resolution CAT Scan of a 62-Year-Old Smoker Has Revealed