TABLE 2

Positive 18F-FDG PET/CT Finding and Subsequent Treatment Change According to Stage

StageTotal patientsPositive PET/CT lesionsAdditional positive PET/CT lesionsTreatment change
Recurrence*2816 (57)13 (46)12 (43)
T3–T4N115928 (18)21 (13)15 (9)
T3–T4N0644 (6)4 (6)2 (3)
T1–T2N1352 (6)1 (3)1 (3)
P<0.0001†<0.0001†<0.0001†

  • ↵* Patients who underwent surgical resection of recurrent tumor lesions after total thyroidectomy.

  • ↵† χ2 test for trend.

  • Data in parentheses are percentages.