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Related Experiment Videos

Prospective screening in multiple endocrine neoplasia type 1.

B Skogseid1, K Oberg

  • 1Department of Internal Medicine, University Hospital, Uppsala, Sweden.

Henry Ford Hospital Medical Journal
|January 1, 1992
PubMed
Summary

Early detection of Multiple Endocrine Neoplasia type 1 (MEN 1) is possible through biochemical screening, identifying pancreatic endocrine dysfunction in adolescence. Prospective investigation significantly lowers diagnosis age for pancreatic tumors.

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Area of Science:

  • Endocrinology
  • Genetics
  • Oncology

Background:

  • Multiple Endocrine Neoplasia type 1 (MEN 1) is a genetic disorder predisposing individuals to tumors in endocrine glands.
  • Early identification of MEN 1 is crucial for timely intervention and management of associated endocrine dysfunctions.

Purpose of the Study:

  • To determine the age of clinically detectable onset of MEN 1 through a long-term biochemical screening program.
  • To evaluate the effectiveness of specific biochemical markers in diagnosing MEN 1-related pancreatic and parathyroid lesions.

Main Methods:

  • A ten-year biochemical screening program involving 88 members from four MEN 1-affected families.
  • Standardized meal stimulation tests measuring serum pancreatic polypeptide (PP) and gastrin responses.
  • Analysis of basal serum PP, insulin, and proinsulin levels for predictive value.

Main Results:

  • Clinically detectable MEN 1 manifestations were observed during adolescence, with pancreatic endocrine dysfunction being the most common initial presentation.
  • Prospective investigation reduced the average age of diagnosis for pancreatic endocrine tumors by nearly two decades (from 25 years).
  • Meal stimulation tests showed high diagnostic sensitivities for PP (75%) and gastrin (100%). Proinsulin levels predicted early pancreatic involvement, and gastrin was a useful marker for non-prospectively diagnosed tumors.

Conclusions:

  • Biochemical screening can facilitate early detection of MEN 1, particularly pancreatic endocrine dysfunction, in adolescence.
  • Prospective investigation significantly advances the diagnosis of MEN 1-associated pancreatic tumors.
  • Specific peptide measurements, including proinsulin and gastrin, are valuable diagnostic and predictive markers for MEN 1.

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