Table 1 NIRADS lexicon radiological features
NIRADS | Radiological finding (lexicon) | |
|---|---|---|
Primary | Neck (LN) | |
I | Soft tissue distortion | No enlarging LN. |
(No evidence of recurrence) | Mucosal edema | No new suspicious morphological features |
| Â | Diffuse linear mucosal enhancement | |
II | Focal mucosal enhancement | Growing LN with no morphological abnormality |
(Low suspicion of recurrence) | Ill-defined, deep, non-mass like lesion | |
| Â | Mild differential enhancement | Â |
III | Discrete nodule/mass (new or enlarged) | Growing LN with morphological abnormality (necrosis or extra-nodal extension) |
(High suspicious lesion) | Discrete nodule with differential enhancement | |