16-year-old female with single thyroid nodule. Evaluate. RIGHT LOBE MEASUREMENTS: 4.6 x 1.6 x 1.4 cmLEFT LOBE MEASUREMENTS: 5.1 x 1.6 x 1.3 cm.ISTHMUS MEASUREMENTS: 0.3 cmRIGHT LOBE: The right thyroid lobe is normal in echogenicity without evidence of nodules.LEFT LOBE: The left thyroid lobe is normal in echogenicity. In the inferior left thyroid lobe, there is an anechoic focus with thin wall measuring 0.4 x 0.2 x 0.3 cm and internal foci of increased echogenicity. No increased vascular flow to this lesion is present.ISTHMUS: The isthmus is normal in echogenicity without evidence of nodules.PARATHYROID GLANDS: No significant abnormality noted.LYMPH NODES: Scattered benign-appearing subcentimeter lymph nodes.OTHER: No significant abnormality noted.
Findings consistent with subcentimeter left thyroid lobe colloid cyst.