Reason: follow-up on isthmus adenomatoid nodule History: history of nodule, no symptoms (1.4 x 1.1 x 0.6cm in 2013) RIGHT LOBE MEASUREMENTS: 6.1 x 1.5 x 1.4 cmLEFT LOBE MEASUREMENTS: 5.8 x 1.4 x 1.1 cmISTHMUS MEASUREMENTS: 0.2 cm in the AP dimensionRIGHT LOBE: Right mid pole nodule appears cystic with a hyperechoic focus and measures 0.3 x 0.2 x 0.3 cm. No internal calcifications or vascularity.LEFT LOBE: Homogenous, unremarkable left thyroid gland.ISTHMUS: Spongiform nodule measures 1.1 x 0.4 x 0.9 cm without microcalcifications or vascularity.PARATHYROID GLANDS: Not visualized.LYMPH NODES: No significant abnormality noted. No cervical lymphadenopathy.OTHER: No significant abnormality noted.
Isthmus nodule as described above is decreased in size compared to reported prior measurement of 1.4 x 1.1 x 0.6 cm in 2013 and lacks definite suspicious features.