36-year-old female with recurrent secondary hyperparathyroidism. Prior parathyroidectomy x4. RIGHT LOBE MEASUREMENTS: 4.9 x 2.4 x 2.3 cmLEFT LOBE MEASUREMENTS: 4.3 x 1.7 x 1.4 cmISTHMUS MEASUREMENTS: 0.7 cmRIGHT LOBE: There is a rounded well-demarcated homogeneously hyperechoic nodule in the mid to upper pole of the right lobe measuring 1.6 x 1.7 x 1.6 cm with a complete hypoechoic rim. Very small cystic nodules are identified as well.LEFT LOBE: The inferior left lobe appears somewhat bulbous, but isoechoic with the remainder of the lobe without definable mass. . Smaller cystic areas are present as well.ISTHMUS: Small colloid cyst.PARATHYROID GLANDS: No extrathyroidal mass identified.LYMPH NODES: No significant abnormality noted.OTHER: No significant abnormality noted.
Bilateral thyroid nodules.  Largest nodule on the right is likely benign and was present although smaller on an exam from 11/18/2004. Small, predominately cystic areas throughout the thyroid consistent with colloid cysts.No extrathyroidal mass identified.