Isoechoic vs hypoechoic thyroid nodule. Hypoechoic nodules, darker than surrounding thyro...

Isoechoic vs hypoechoic thyroid nodule.  Hypoechoic nodules, darker than surrounding thyro...Isoechoic vs hypoechoic thyroid nodule.  Hypoechoic nodules, darker than surrounding thyro...