TABLE 1

Patient Characteristics and Imaging Results Evaluated for Primary Tumors Before Treatment

Patient no.	Age (y)	Sex	Location	TNM	Pre-SUV*	Interpretation confidence rating
Patient no.	Age (y)	Sex	Location	TNM	Pre-SUV*					⁶⁷Ga scintigraphy	CT	MRI	PET
1	63	F	Tongue	T4 N2b M0	7.85	0	4	4	4
2	85	F	Tongue	T2 N0 M0	4.17	0	0	0	4
3	71	M	Tongue	T2 N0 M0	10.56	0	0	0	4
4	50	M	Tongue	T4 N1 M0	14.12	3	4	4	4
5	63	M	Floor of mouth	T2 N0 M1^†	5.92	4	4	4	4
6	66	M	Buccal mucosa	T3 N2b M0	5.07	3	4	4	4
7	70	M	Maxillary gingiva	T2 N0 M0	7.96	0	4	3	4
8	73	F	Maxillary gingiva	rT1 N0 M0	5.29	1	3	3	4
9	71	F	Tongue	T2 N0 M0	4.07	0	0	3	4
10	47	M	Lower lip	T2 N1 M0	11.22	0	1	2	4
11	51	M	Mandible	T4 N1 M0	7.28	3	4	4	4
12	66	M	Tongue	T2 N0 M0	5.15	0	1	2	3
13	48	M	Mandibular gingiva	T2 N1 M0	7.70	4	2	2	4
14	74	M	Floor of mouth	T3 N1 M0	14.54	4	4	4	4
15	60	M	Mandibular gingiva	T4 N2a M0	12.77	3	4	4	4
16	68	M	Palatal mucosa	T1 N0 M0	9.76	0	—	3	4
17	63	M	Buccal mucosa	T3 N0 M0	5.59	0	0	3	4
18	51	F	Tongue	T2 N0 M0	8.54	0	4	4	4
19	64	M	Mandibular gingiva	T4 N0 M0	8.40	3	4	3	4
20	71	M	Floor of mouth	T2 N0 M0	6.60	—	3	3	4
21	58	M	Mandibular gingiva	T4 N0 M0	11.34	—	4	4	4
22	56	M	Floor of mouth	T4 N0 M0	26.10	0	4	3	4
23	78	M	Floor of mouth	T2 N0 M0	10.46	—	3	3	4
Average score						1.4	2.8	3.0	4.0

↵* Pre-SUV = pretreatment standardized uptake value.
↵^† Lung metastasis.
Grading system: grade 0 = definitely no tumor; grade 1 = probably no tumor; grade 2 = equivocal; grade 3 = probable tumor; grade 4 = definite tumor.