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Related Experiment Video

Updated: Jun 12, 2026

Generation of Hypoparathyroid Rats via Carbon-Nanoparticle-Assisted Parathyroidectomy

Generation of Hypoparathyroid Rats via Carbon-Nanoparticle-Assisted Parathyroidectomy

Published on: July 14, 2023

Normocalcemic primary hyperparathyroidism.

John P Bilezikian¹, Shonni J Silverberg

¹Departamento de Medicina, Columbia University, NY, NY, USA. jpb2@Columbia.edu <jpb2@Columbia.edu>

Arquivos Brasileiros De Endocrinologia E Metabologia

|May 21, 2010

Summary

This summary is machine-generated.

A new form of primary hyperparathyroidism, normocalcemic primary hyperparathyroidism, is emerging. This disorder involves elevated parathyroid hormone with normal serum calcium levels, representing an early stage of the disease.

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Generation of Hypoparathyroid Rats via Carbon-Nanoparticle-Assisted Parathyroidectomy

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Two Techniques to Create Hypoparathyroid Mice: Parathyroidectomy Using GFP Glands and Diphtheria-Toxin-Mediated Parathyroid Ablation

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Published on: March 14, 2017

Area of Science:

Endocrinology
Mineral Metabolism
Biochemistry

Background:

Primary hyperparathyroidism (PHP) is a common endocrine disorder.
Historically, PHP presented with symptomatic hypercalcemia, kidney stones, and bone disease.
Recent advancements have led to milder presentations with subtle hypercalcemia.

Purpose of the Study:

To describe a newly identified entity: normocalcemic primary hyperparathyroidism (NPHP).
To characterize NPHP as a forme fruste of PHP.

Main Methods:

Retrospective analysis of patient data.
Biochemical assays for serum calcium and parathyroid hormone levels.

Main Results:

Identification of patients with consistently elevated parathyroid hormone levels.
These patients exhibit normal total and ionized serum calcium concentrations.
This suggests a distinct clinical phenotype preceding overt hypercalcemia.

Conclusions:

Normocalcemic primary hyperparathyroidism represents a nascent stage of the disease.
Early detection of NPHP may allow for timely intervention.
Further research is needed to understand the long-term implications of NPHP.