Fig. 1From: Can sonographic features of microcalcification predict thyroid nodule malignancy? a prospective observational studyThe ultrasound-guided fine-needle aspiration from a hypoechoic nodule with regular margin and less than 5 punctate echogenic foci in the left thyroid lobe of a 26-year-old female patient, which was proved by cytology to be a nodular goiterBack to article page