Figure 5: Lymph node metastasis in a patient with left-sided HNSCC of the oropharynx shows substantial diffusion restriction with signal increase in the axial original DW image (b) and corresponding decrease of the ADC value (a). Correlating display of the LN in the coronal fat-suppressed, fluid-sensitive STIR (c) and T1-weighted fat-suppressed image after contrast media (d).