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Lymphoid hypophysitis with selective adrenocorticotropic hormone deficiency.

A J Richtsmeier, R A Henry, J M Bloodworth

    Archives of Internal Medicine
    |September 1, 1980
    PubMed
    Summary

    This case study details a rare autoimmune pituitary disorder, lymphoid hypophysitis, causing selective adrenocorticotropic hormone deficiency. This condition led to severe hypocortisolism and ultimately sudden death in a 31-year-old woman.

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    Area of Science:

    • Endocrinology
    • Immunology
    • Pathology

    Background:

    • Lymphoid hypophysitis is a rare inflammatory condition affecting the pituitary gland.
    • It can lead to selective deficiencies of pituitary hormones, most commonly adrenocorticotropic hormone (ACTH).

    Observation:

    • A 31-year-old woman presented with symptoms of secondary hypocortisolism postpartum, including weakness, hypoglycemia, hypercalcemia, and ECG changes.
    • She experienced sudden cardiorespiratory collapse and died.

    Findings:

    • Autopsy revealed a pituitary lesion consistent with lymphoid hypophysitis.
    • Microscopic examination showed lymphocytic infiltration, fibrosis, and a selective loss of corticotropin-secreting cells.
    • Associated lymphoid thyroiditis suggested an autoimmune etiology.

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    Implications:

    • This case highlights the potential for autoimmune processes to cause selective pituitary hormone deficiencies.
    • Lymphoid hypophysitis can present insidiously and lead to life-threatening complications if not recognized.
    • Early diagnosis and management of autoimmune hypophysitis are crucial for preventing severe outcomes.