US Thyroid
Side
Left
Right
Number
1
2
3
4
4
The composition lesion is
cystic or almost completely cystic (0)
spongiform (0)
mixed cystic and solid (1)
solid or almost completely solid (2)
The echogenicity is
anechoic (0)
hyper- or iso-echoic (1)
hypo-echoic (2)
very hypo-echoic (3)
The dimensions are … mm wide and … mm tall, thus
wider-than-tall (0)
taller-than-wide (3)
The margins are
smooth (0)
ill-defined (2)
extending outside the thyroid (3)
Regarding the echogenic foci, there are
none or large comet-tail artefacts (0)
macrocalcifications (1)
peripheral (rim) calcifications (2)
punctate echogenic foci (3)
TIRADS 1 (0 points)
TIRADS 2 (2 points)
TIRADS 3 (3 points)
TIRADS 4 (4-6 points)
TIRADS 5 (7 points or more)
FU
TR1: no FNA required
TR2: no FNA required
TR3: ≥1.5 cm follow up, ≥2.5 cm FNA
follow up: 1, 3 and 5 years
TR4: ≥1.0 cm follow up, ≥1.5 cm FNA
follow up: 1, 2, 3 and 5 years
TR5: ≥0.5 cm follow up, ≥1.0 cm FNA
annual follow up for up to 5 years