Research Article

The Impact of 18F-FDG PET CT Prior to Chemoradiotherapy for Stage III/IV Head and Neck Squamous Cell Carcinoma

Table 1

Disease site, subsite, stage, histology, and intended treatment prior to PET-CT examination.

CharacteristicNumber (%)

Oropharynx
 Tonsil
 Base of tongue
 Posterior pharyngeal wall
47 (85%)
25
21
1
Hypopharynx
 Pyriform fossa
4 (7%)
4
Larynx
 Supraglottis
2 (4%)
2
Paranasal sinus1 (2%)
Oral cavity
 Retromolar trigone
1 (2%)
1
Stage
 III
 IV
14 (25%)
41 (75%)
Histology
SCC
 Poorly differentiated
 Moderately differentiated
 Well differentiated
 Not classified
55 (100%)
29 (53%)
18 (33%)
0 (0%)
8 (15%)
Intended treatment
 Radical radiotherapy  12 (22%)
 Concurrent chemoradiotherapy36 (65%)
 Induction + concurrent chemoradiotherapy6 (11%)
 Concurrent cetuximab and radiotherapy1 (2%)