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Related Experiment Videos

Lymphocytic hypophysitis: its expanding features.

Y Nakamura1, H Okada, Y Wada

  • 1Department of Internal Medicine, Hyogo Prefectural Amagasaki Hospital, Japan. ynkmr@amahosp.amagasaki.hyogo.jp

Journal of Endocrinological Investigation
|June 1, 2001
PubMed
Summary
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Lymphocytic hypophysitis, an inflammatory pituitary disorder, can affect both anterior and posterior pituitary function. This case highlights a variant involving the infundibulum and dura mater, expanding the syndrome

Area of Science:

  • Endocrinology
  • Neuroimmunology
  • Pathology

Background:

  • Lymphocytic hypophysitis classically affects the anterior pituitary.
  • Emerging evidence suggests infundibulum and posterior pituitary involvement in central diabetes insipidus.
  • This expands the concept of lymphocytic hypophysitis as a syndrome encompassing both anterior and posterior pituitary inflammation.

Observation:

  • A 77-year-old woman presented with headache, diplopia, malaise, and appetite loss.
  • Head MRI revealed pituitary swelling and dura mater thickening.
  • Endocrinological tests showed anterior and posterior pituitary dysfunction, including hypothyroidism.

Findings:

  • The patient improved with hydrocortisone, experiencing resolution of headache, diplopia, and malaise, though ACTH hyposecretion persisted.

Related Experiment Videos

  • Pituitary swelling decreased, but dura mater thickening remained.
  • This case suggests a variant of lymphocytic hypophysitis involving the pituitary gland, infundibulum, dura mater, and cavernous sinus.

    • Implications:

    • Lymphocytic hypophysitis may represent a heterogeneous syndrome with broader anatomical involvement than previously recognized.
    • Further research is needed to elucidate the pathogenesis of this expanding inflammatory pituitary disorder.
    • This case underscores the importance of considering pituitary inflammation in patients with complex endocrine and neurological symptoms.