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Incidental preclinical hyperparathyroidism identified during thyroid operations.

A D Katz1, L B Kong

  • 1Department of Surgery, Cedars-Sinai Medical Center, Los Angeles, California.

The American Surgeon
|December 1, 1992
PubMed
Summary
This summary is machine-generated.

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Preclinical hyperparathyroidism is more common than previously thought, often presenting without symptoms or high calcium levels. Careful examination of parathyroid glands during thyroid surgery can identify and treat these abnormalities.

Area of Science:

  • Endocrinology
  • Surgical Pathology

Background:

  • Preclinical hyperparathyroidism remains under-investigated.
  • Pathologic parathyroid abnormalities may precede clinical symptoms or hypercalcemia.

Purpose of the Study:

  • To investigate the incidence of preclinical hyperparathyroidism.
  • To assess the frequency of parathyroid abnormalities during thyroid surgery.

Main Methods:

  • Examined parathyroid glands in over 800 patients undergoing thyroid operations over 14 years.
  • Measured preoperative serum calcium and phosphorus levels.
  • Identified 36 patients with abnormal-appearing parathyroid glands during surgery.

Main Results:

  • Thirty-six patients had preclinical hyperparathyroidism; none were symptomatic.

Related Experiment Videos

  • Nine patients had borderline hypercalcemia; others were normocalcemic.
  • Parathyroid adenoma (8) and hyperplasia (28) were diagnosed; 9 patients had concurrent thyroid cancer.

    • Conclusions:

    • Preoperative normocalcemia does not rule out parathyroid pathology.
    • Routine parathyroid gland examination during thyroid surgery is recommended.
    • Early detection and excision of parathyroid disease can prevent future morbidity.