68-year-old male with abnormal sestamibi scan in the region of the lower pole of the left lobe of the thyroid. Patient has primary hyperparathyroidism with hypercalcemia. RIGHT LOBE MEASUREMENTS: The right lobe measures approximately 1.4 x 1.7 x 4.1 cmLEFT LOBE MEASUREMENTS: The left lobe measures approximately 1.5 x 1.5 x 4.8 cm.ISTHMUS MEASUREMENTS: 0.4 cmRIGHT LOBE: Homogeneous without mass.LEFT LOBE: Homogeneous without mass. However, the left lobe extends low in the neck.ISTHMUS: No significant abnormality noted.PARATHYROID GLANDS: Caudal to the left lobe of the thyroid is a complex cystic mass with internal vascularity measuring approximately 1 x 1.1 x 1.7 cm.LYMPH NODES: No significant abnormality noted.OTHER: No significant abnormality noted.
Complex cystic and vascular mass caudal to the left lobe of the thyroid consistent with atypical parathyroid adenoma and corresponding to the location of the abnormality on the sestamibi scan.