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Related Experiment Videos

Familial prolactinoma

M Berezin1, A Karasik

  • 1Institute of Endocrinology, Chaim Sheba Medical Center, Tel-Hashomer, Israel.

Clinical Endocrinology
|May 1, 1995
PubMed
Summary
This summary is machine-generated.

Familial prolactinoma, a rare tumor, was identified in multiple members across four families. This suggests a genetic basis for the condition, likely involving mutations that stimulate lactotroph cell growth.

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Area of Science:

  • Endocrinology
  • Genetics
  • Oncology

Background:

  • Prolactinoma is a pituitary tumor, typically sporadic.
  • Familial forms are exceptionally rare, with only a known association with Multiple Endocrine Neoplasia type 1 (MEN-1).

Observation:

  • Eight patients with hyperprolactinemia across four families were studied.
  • Eighteen first- and second-degree relatives were also evaluated for hormone levels and biochemical parameters.

Findings:

  • Prolactinoma was diagnosed in multiple individuals within each of the four studied families.
  • This indicates a hereditary pattern of prolactinoma occurrence.

Implications:

  • Familial prolactinoma represents a distinct clinical entity.
  • The findings suggest a genetic mutation is likely responsible for promoting lactotroph proliferation in these families.