TABLE 4

HNSCC: 8 Patients

Patient no.	Lesion type	¹⁸F-FDG initial result	¹⁸F-FDG T/BP	¹⁸F-FMT initial result	¹⁸F-FMT T/BP	Lesion size (cm)	Confirmation	¹⁸F-FDG final result	¹⁸F-FMT final result	¹⁸F-FDG accuracy	¹⁸F-FMT accuracy
1	Hypopharyngeal cancer	++	4.5	++	2.6	5	Histopathology	TP	TP	Correct	Correct
	Lymph node, level II R	++	1.5	++	2.1	1.7	Cytology	TP	TP
	Lymph node, level II L	++	1.7	++	2.1	1.7	Cytology	TP	TP
	Lymph node, level Vb R	++	4.4	+	1.5	0.8	CT follow-up	TP	TP
	Lymph node, level Vb L	++	3.6	−	−	0.7	CT follow-up	TP	FN
2	Hypopharyngeal cancer	++	6.0	++	2.9	4	Histopathology	TP	TP	Correct	Correct
	Lymph node, level III R	++	5.1	+	1.1	2	Cytology	TP	TP
	Lymph node, level IIa L	++	4.9	+	1.1	1.7	Cytology	TP	TP
	Lymph node, level III L	++	5.2	+	1.5	1	High radiologic suspicion	TP	TP
	Lymph node, level IV L	+	2.3	+	1.2	0.9	High radiologic suspicion	TP	TP
3	Oropharyngeal cancer	++	6.4	++	2.3	3.6	Histopathology	TP	TP	Correct	Correct
	Lymph node, level II L	++	6.25	++	2.7	3.3	Cytology	TP	TP
4	Cancer of tongue, L	++	3.1	+	1.5	3.4	Histopathology	TP	TP	Overstaged	Correct
	Lymph node, level IIb L	+	1.89	++	1.7	1.4	Cytology	TP	TP
	Lymph node, level IIb L	+	1.9	+	1.3	1.2	Cytology	TP	TP
	Tonsillary activity, R	+	2.1	−	−	1.5	Clinical follow-up	FP	TN
5	Oropharyngeal cancer R	++	2.9	+	1.5	3.2	Histopathology	TP	TP	Correct	Understaged (N)
	Lymph node, mediastinal retrocaval	++	3.3	−	−	1.6	High radiologic suspicion	TP	FN
	Lymph node, mediastinal anterior	+	2.4	−	−	1.3	High radiologic suspicion	TP	FN
6	Tonsillary cancer, R	++	3	−	−	4.2	Histopathology	TP	FN	Overstaged	Understaged (T)
	Lymph node, level II/III R	++	6.2	++	1.8	1.3	Histopathology	TP	TP
	Tonsillary activity, L	++	3.2	−	−	4.1	Clinical follow-up	FP	TN
7	Tonsillary cancer, L	++	4.5	+	1.4	4.6	Histopathology	TP	TP	Overstaged	Correct
	Tonsillary activity, R	++	2.5	−	−	5.2	Clinical follow-up	FP	TN
	Lymph node, level IIa/b L	++	4.3	+	1.2	4	Cytology	TP	TP
	Lymph node, level III L	++	3.2	+	1.1	2.3	Cytology	TP	TP
	Lymph node, level II R	++	3.5	+	1.2	3.5	Cytology	TP	TP
8	Recurrent lymph node, level III R	++	5.1	+	1.5	1.4	Histopathology	TP	TP	Overstaged	Understaged
	Lymph node, level IIa R	+	2.8	−	−	3	Histopathology	TP	FN
	Lymph node, mediastinal	++	3.4	−	−	1.5	PET/CT follow-up	FP	TN

T/BP = tumor–to–blood pool ratio; TP = true positive; FN = false negative; FP = false positive; TN = true negative; ++ = markedly increased uptake; + = slightly increased uptake (more than background); − = no increased uptake.