THYROID ADENOMA

Colordoppler

Woman, 32 y.o.
Solitary nodule (mm 12x17x25) in the apex of the right lobe, hypoechoic, dishomogeneous owing to interior hyperechoid and hypoechoid areas; borders are regular.
Colordoppler scan (left): rich internal vascularization, more evident in the powerdoppler scan (right)

FNA: follicular neoplasm.
Histological examination: microfollicular adenoma with trabecular aspects.

Ultrasound tomographic image of the nodule.