The prognostic value of location and size change of pathological lymph nodes evaluated on CT-scan following radiotherapy in head and neck cancer

Table 1 Patient and Treatment Characteristics

Characteristic	No. of patients (n = 183)	%
Mean age (y)	59
Sex
Male	155	85
Primary tumor site
Oral cavity	30	16
Oropharynx HPV + HPV – Unknown HPV status	122 20 92 10	67
Hypopharynx	25	14
Larynx	6	3
T classification^a
T1	8	4
T2	47	26
T3	51	28
T4	76	42
N classification
1	32	17
2	142	78
2a	7	4
2b	63	34
2c	72	39
3	9	5
Radiation therapy
3D CRT	84	46
IMRT	99	54
Systemic therapy
none	35	19
cisplatin	118	64
carboplatin/5-FU	2	1
cetuximab	11	6
panitumumab	8	4
cisplatin + tirapazamine	8	4
cisplatin + zalutumumab	1	1

Abbreviations: 3D CRT three-dimensional conformal radiation therapy, IMRT intensity-modulated radiation therapy, 5-FU 5-fluoro-uracil, HPV Human papilloma virus. ^a1 patient had 4 synchronous head and neck malignancies and was not included in the T-classification statistics

ISSN: 1470-7330