TABLE 2

Patients with Positive 18F-FDG PET/CT Data

Confirmatory recurrence
Patient no.Original tumor siteInitial stagePET/CT findingPathologyCorrelative imaging
1HypopharynxIVLocalNegative
Distant (lung)Positive
2LarynxIVDistant (lung, bone, liver)Positive
3Oral cavityIVLocalPositive
Regional (lymph nodes)Positive
4OropharynxIIIDistant (lung)Positive
5OropharynxIIILocalPositive
6OropharynxIVRegional (lymph nodes)Positive
7OropharynxIVLocalPositive
8LarynxIIRegional (lymph nodes)Negative
9LarynxIVRegional (lymph nodes)Positive
10LarynxIVLocalPositive
11Oral cavityIILocalPositive
12LarynxIIILocalPositive
Distant (lung)Positive
13OropharynxIVLocalPositive
14HypopharynxIVLocalNegative
15OropharynxIVDistant (lung)Negative
16OropharynxIVDistant (lung)Positive
17Oral cavityIVDistant (bone)Positive
18OropharynxIIILocalPositive
19HypopharynxIILocalPositive
20LarynxIVLocalNegativePositive
Distant (lung)
21HypopharynxIVDistant (liver)Negative
22Oral cavityIIDistant (lung)Positive
23HypopharynxIVLocalPositive
Regional (lymph nodes)Positive
24Oral cavityIIDistant (lung, bone, liver)Positive
25OropharynxIVLocalPositive
26Oral cavityIILocalPositive
27LarynxIVLocalNegative
28LarynxIIILocalNegative
29Oral cavityIVLocalPositive
30OropharynxIILocalPositive
31Oral cavityIIILocalPositive
Distant (lung)Positive
32OropharynxIVLocalNegative
33Oral cavityIRegional (lymph nodes)Negative
34Oral cavityIVLocalPositive
35LarynxIVLocalPositive
Distant (lung)Positive
36Oral cavityIIIDistant (lymph nodes)Negative
37Oral cavityIIILocalPositive
38Oral cavityIVDistant (lung)Positive
39Oral cavityIIILocalPositive
  • Patients 1 and 20: true-positive for one localization and false-positive for the other.

  • Patient 37: true-positive for one localization and false-negative for the other (regional lymph nodes).