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Related Experiment Videos

Hyperfunctioning cystic parathyroid glands: CT and sonographic findings.

A G Krudy, J L Doppman, T H Shawker

    AJR. American Journal of Roentgenology
    |January 1, 1984
    PubMed
    Summary

    Cystic parathyroid glands, often degenerating adenomas, present as fluid-filled lesions. Imaging and parathyroid hormone assays aid in diagnosing these rare neck masses.

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    Area of Science:

    • Radiology
    • Endocrinology
    • Pathology

    Background:

    • Parathyroid cysts are rare, and distinguishing them from other cystic lesions in the neck can be challenging.
    • Functioning cystic parathyroid glands, often presenting as degenerating adenomas, require accurate diagnostic approaches.

    Observation:

    • Sonography revealed solid, hypoechoic lesions with fluid cavities near the thyroid or in the mediastinum.
    • Computed tomography (CT) showed low-attenuation cystic areas with contrast-enhancing walls.
    • Fine-needle aspiration biopsy in two patients indicated elevated parathyroid hormone levels.

    Findings:

    • The evaluated lesions, presenting as cystic parathyroid glands, were likely degenerating adenomas rather than true cysts.
    • Imaging findings (CT and sonography) are nonspecific but suggestive when correlated with clinical presentation.

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  • Elevated parathyroid hormone levels in aspirates confirmed the parathyroid origin.

    • Implications:

    • A high index of suspicion for cystic parathyroid lesions is warranted for fluid-filled neck masses, regardless of hypercalcemia status.
    • CT and sonography are valuable in characterizing these lesions, though findings are nonspecific.
    • Parathyroid hormone assay of aspirate fluid can confirm the diagnosis of cystic parathyroid lesions.