Male, 66 years old. Reason: diagnosis of primary hyperparathyroidism. Please evaluate for adenomas History: diagnosis of primary hyperparathyroidism. Please evaluate for adenomas RIGHT LOBE MEASUREMENTS: 1.6 x 2.3 x 4.9 cmLEFT LOBE MEASUREMENTS: 4.6 x 1.9 x 1.4 cmISTHMUS MEASUREMENTS: 0.2 cmRIGHT LOBE: Mildly heterogeneous echotexture, without focal lesion.LEFT LOBE: Mildly heterogeneous echotexture, without focal lesion.ISTHMUS: Mildly heterogeneous echotexture, without focal lesion.PARATHYROID GLANDS: An ovoid hypoechoic structure measuring 1.0 by 0.5 x 0.5 cm is located posterior to the inferior pole of the left thyroid lobe, with increased vascular flow.LYMPH NODES: No significant abnormality noted.OTHER: No significant abnormality noted.
A less than 1 cm hypoechoic structure posterior to the inferior pole of the left thyroid lobe is compatible with a parathyroid adenoma. See same-day nuclear medicine parathyroid scan for additional findings.