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Isoechoic thyroid nodule ultrasound

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Isoechoic thyroid nodule ultrasound

Although widespread use of ultrasonography (US) has exponentially increased thyroid nodule detection to about 19.0-67.0%, malignancy is found in only about 9.0-15.0% of nodules evaluated using fine-needle aspiration (FNA) [1,2,3].To minimize potential harm from overuse of FNA, the Thyroid Imaging Reporting and Data System (TIRADS) was developed for thyroid nodule risk stratification [4,5,6].

He thought thyroid was enlarged and sent me for ultrasound. In the meanwhile, TSH was normal. Thyroid ultrasound showed multiple cystic nodules measuring up to 3mm. The question was raised on a 6 mm nodule on the left lobe. Here are the words: "subtle solid-appearing nodule at the midpoint measuring 6 x 5 x 6 mm, ill defined.Ultrasound showed a 3cm oval shaped mass with solid and cystic component at the lower pole of left thyroid gland. The solid component is mostly isoechoic relative to the thyroid gland. The cystic component occupies about half the size of the nodule. The nodule is wider than tall. No associated calcification identified.

Sonographic features associated with benign nodules are: hyperechoic thyroid nodules, macro or dense calcifications, cystic thyroid nodules, decreased size of nodule over time, and halo sign — a sonolucent rim around the nodule. Ultrasound exams help decide if a nodule should have an FNA biopsy or ultimately surgical excision.