Parenchyma

Normal
Mildly heterogenous
Heterogenous

Nodule Location

Lobe

Right Left Isthmus

Aspect

Upper Mid Lower

Position

Anterior Posterior

Nodule Size

Echogenicity

Hyperechoic 1
Isoechoic 1
Hypoechoic 2
Very hypoechoic 3
Anechoic 0
Can't be determined 1

Margins

Smooth 0
Lobulated 2
Irregular 2
Extrathyroid extension 3
Indistinct margins 0

Foci

No echogenic foci 0
Large comet-tail artifacts 0
Peripheral calcification 2
Macrocalcification 1
Multiple punctate echogenic 3