Diffusion-Weighted Imaging (DWI) derived from PET/MRI for lymph node assessment in patients with Head and Neck Squamous Cell Carcinoma (HNSCC)

Table 2 measured ADCmean and the statistical correlations

Parameter	ADCmean (*10^− 3 mm²/s)	P-value
Llymph nodes		0.001*
Normal L.N’s	1.267 ± 0.88
Metastatic L.N’s	0.899 ± 0.99
Primary tumor grade		0.076
Well differentiated	0.936 ± 0.11
Moderately Well differentiated	0.916 ± 0.84
poorly Well differentiated	0.863 ± 0.59
Primary tumor localization		0.431
Oropharyngeal	0.866 ± 0.93
Hypopharyngeal	0.936 ± 0.18
Laryngeal	0.898 ± 0.15
Sinus carcinoma	0.879 ± 0.54
Oral cavity	0.903 ± 0.95

ISSN: 1470-7330