Associations between ¹⁸F-FDG-PET, DWI, and DCE Parameters in Patients with Head and Neck Squamous Cell Carcinoma Depend on Tumor Grading

Table 1

Localization and stage of the identified tumors.

	(%)
Diagnosis
Carcinoma of epipharynx	1 (2.9)
Carcinoma of oropharynx	7 (20.6)
Carcinoma of hypopharynx	6 (17.6)
Carcinoma of larynx	5 (14.7)
Carcinoma of tongue	7 (20.6)
Tonsillar carcinoma	8 (23.6)
Tumor stage
T stage
T1	1 (2.9)
T2	7 (20.6)
T3	10 (29.4)
T4	16 (47.1)
N stage
N0	3 (8.8)
N1	6 (17.7)
N2	22 (64.7)
N3	3 (8.8)
M stage
M0	30 (88.2)
M1	4 (11.8)
Tumor grading
G1	1 (2.9)
G2	12 (35.3)
G3	21 (51.8)