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Primary Hyperparathyroidism Focused on Molecular Pathogenesis.

José Manuel Gómez Sáez1

  • 1Researcher, Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Hospital Universitario de Bellvitge, L'Hospitalet de Llobregat, Barcelona, Spain.

European Endocrinology
|June 7, 2018
PubMed
Summary
This summary is machine-generated.

Primary hyperparathyroidism (PHPT) is often caused by parathyroid adenomas. Genetic testing for PHPT is recommended for patients under 30 or those with multigland disease to identify hereditary syndromes.

Keywords:
Hypercalcaemiamultiple endocrine neoplasiaparathyroidectomypathogenesisprimary hyperparathyroidismprimary hyperparathyroidism jaw tumour syndrome

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Area of Science:

  • Endocrinology
  • Genetics
  • Oncology

Background:

  • Primary hyperparathyroidism (PHPT) is a common endocrine disorder, frequently caused by benign parathyroid adenomas.
  • Less common causes include parathyroid carcinoma and multiglandular disease, often linked to hereditary syndromes.

Purpose of the Study:

  • To review the genetic basis of PHPT and associated hereditary syndromes.
  • To highlight the role of specific gene mutations in parathyroid tumorigenesis.

Main Methods:

  • Review of literature on PHPT, parathyroid tumors, and genetic syndromes.
  • Analysis of gene mutations (HRPT2, MEN1, RET, CDKN1B) associated with PHPT and related conditions.

Main Results:

  • Solitary parathyroid adenomas are most common; however, multigland disease occurs in 15% of patients, often familial.
  • Key genes implicated include HRPT2 (PHPT jaw tumor syndrome), MEN1 (multiple endocrine neoplasia 1), and RET (multiple endocrine neoplasia 2A).
  • CDKN1B mutations define multiple endocrine neoplasia 4.

Conclusions:

  • Genetic testing for PHPT is advised for individuals under 30 or with multigland disease.
  • Identifying germline mutations is crucial for diagnosing hereditary syndromes and guiding patient management.