40-year-old male with hyperparathyroidism. RIGHT LOBE MEASUREMENTS: 2.8 x 0.9 x 5.5 cmLEFT LOBE MEASUREMENTS: 2.5 x 1.2 x 3.7 cmISTHMUS MEASUREMENTS: 0.3 cmRIGHT LOBE: No significant abnormality noted.LEFT LOBE: No significant abnormality noted.ISTHMUS: No significant abnormality noted.PARATHYROID GLANDS: Posterior to the right lobe of the thyroid is a very large, primarily solid mass with cystic components. This measures 2.2 x 2.3 x 4.5 cm.Posterior to the left lobe of the thyroid is a large, predominantly cystic mass with partial septation and slight eccentric wall thickening measuring 2.2 x 2.2 x 3.1 cm.LYMPH NODES: No significant abnormality notedOTHER: No significant abnormality noted.
Normal thyroid.Large, bilateral extrathyroidal masses. Although the appearance is unusual, with the patient's history the findings are consistent with bilateral parathyroid adenomas.