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Related Experiment Videos

Uroliathiasis with primary hyperparathyroidism. A one-year screening.

S Lennquist, P O Granberg, H Nordström

    Scandinavian Journal of Urology and Nephrology
    |January 1, 1976
    PubMed
    Summary

    Primary hyperparathyroidism is frequently underdiagnosed in patients with urolithiasis (kidney stones). This study found higher plasma calcium levels in patients with kidney stones, suggesting a need for improved screening for parathyroid conditions.

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    Area of Science:

    • Endocrinology
    • Nephrology
    • Urology

    Background:

    • Urolithiasis, or kidney stones, affects a significant portion of the population.
    • Primary hyperparathyroidism is a condition characterized by overactive parathyroid glands, often leading to elevated calcium levels.
    • The link between urolithiasis and primary hyperparathyroidism suggests potential underdiagnosis of the latter in stone formers.

    Purpose of the Study:

    • To screen a cohort of patients with urolithiasis for primary hyperparathyroidism.
    • To investigate the prevalence of parathyroid abnormalities in patients presenting with kidney stones.
    • To analyze plasma calcium and parathyroid hormone levels in patients with urolithiasis.

    Main Methods:

    • Screening of 290 patients with clinically verified urolithiasis over one year.

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  • Utilized X-ray examination, calculi analysis, plasma calcium and phosphate measurements, plasma parathyroid hormone assays, and clinical history.
  • Diagnostic criteria included biochemical and imaging evidence of parathyroid disease.

    • Main Results:

    • Primary hyperparathyroidism was identified in 10 out of 290 patients (3.4%).
    • Of the 10 patients, 8 had parathyroid adenomas and 2 had parathyroid hyperplasia.
    • Patients with urolithiasis exhibited a generally higher level of plasma calcium compared to the general population.

    Conclusions:

    • The current diagnostic approach leads to considerable underdiagnosis of parathyroid changes in patients with urolithiasis.
    • Elevated plasma calcium levels are a notable finding in patients with kidney stones.
    • Enhanced screening for primary hyperparathyroidism is recommended in individuals with urolithiasis.