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Related Experiment Videos

[Pituitary disorders in pregnancy].

M Jan1, C Destrieux

  • 1Service de Neurochirurgie, CHU Bretonneau, 37044 Tours Cedex 01.

Neuro-Chirurgie
|June 9, 2000
PubMed
Summary

Pregnancy affects pituitary gland volume and hormone levels. Pituitary adenomas, particularly macroprolactinomas, may worsen during pregnancy, often requiring intervention.

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Area of Science:

  • Endocrinology
  • Neuroimaging
  • Reproductive Medicine

Context:

  • Pregnancy involves normal anterior pituitary gland enlargement and altered hormone secretion (increased prolactin, decreased FSH/LH).
  • Pituitary adenomas, especially prolactinomas, can change during pregnancy, with macroadenomas posing greater risks than microadenomas.

Purpose:

  • To review the management of pituitary adenomas in pregnant women.
  • To discuss the impact of pregnancy on pituitary adenoma growth and associated complications.

Summary:

  • Macroadenomas, particularly macroprolactinomas, worsen in 35% of pregnancies, necessitating pre-pregnancy medical or surgical management.
  • Microadenomas generally do not cause severe complications during pregnancy and can be managed medically or surgically.
  • Acromegaly and Cushing's disease require surgery before or early in pregnancy.
  • Pituitary apoplexy (hemorrhage) occurs in 10-15% of adenomas but often presents mildly in pregnant women.
  • Lymphocytic hypophysitis, occurring late in pregnancy or postpartum, can mimic apoplexy on MRI, potentially leading to misdiagnosis.

Impact:

  • Informs clinical decision-making for managing pituitary adenomas in pregnant patients.
  • Highlights the importance of pre-pregnancy assessment and tailored treatment strategies.
  • Emphasizes the need for accurate diagnosis to avoid unnecessary surgical interventions.

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