Correct!
4. The 18FDG-PETscan shows moderately increased metabolic activity within the right posterior chest mass
The 18FDG-PET scan shows moderately increased metabolic activity within the right posterior chest mass, but no other foci of metabolic activity are seen. Note that the lesion’s metabolic activity appears greater than blood pool (compare the lesion to the aorta)- this internal standard is often used to suggest the presence of metabolic activity significant enough to warrant consideration for malignant neoplasia.
Based on the data thus far, which of the following represents the next most appropriate step for the evaluation of this patient? (click on the correct answer to be directed to the eleventh and final page)