Presence of hypoechoic area in hyperechoic thyroid nodule.. what it indicates? nodule has increased vascularity

Uncertain: There are various characteristics of thyroid nodules on ultrasound, including hyperechoic, hypoechoic, isoechoic, cystic, complex, vascular, calcified, microcalcifications. Unfortunately, none of them can tell you for sure whether the nodule is benign or malignant. In your age group, we would be recommending biopsy of the nodule if it is 1 cm in size or larger.