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ACTH and prolactin deficiency.

M L Puig, S M Webb, C del Pozo

    Acta Endocrinologica
    |March 1, 1986
    PubMed
    Summary
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    This study describes a woman with gradual adrenocorticotropic hormone (ACTH) and prolactin (Prl) deficiency, potentially caused by an autoimmune condition affecting the pituitary gland. Her condition worsened with subsequent pregnancies, despite normal pituitary function for other hormones.

    Area of Science:

    • Endocrinology
    • Immunology
    • Reproductive Medicine

    Background:

    • Adrenocorticotropic hormone (ACTH) and prolactin (Prl) deficiencies can lead to significant health issues.
    • Pituitary hormone deficiencies may arise from various causes, including autoimmune processes.

    Observation:

    • A 35-year-old woman presented with a gradual onset of adrenal insufficiency and inability to breastfeed, symptoms that exacerbated after each pregnancy.
    • Hormone level testing revealed undetectable ACTH and Prl, with no response to corticotropin-releasing factor (CRF) and thyrotropin-releasing hormone (TRH) challenges.
    • While most autoantibodies were negative, positive pituitary immunofluorescence for ACTH was noted.

    Findings:

    • The patient exhibited a specific deficiency in ACTH and Prl, with impaired pituitary reserve for these hormones.

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  • Lack of response to both acute and prolonged CRF stimulation further indicated a severe defect in ACTH secretion.
  • The pattern of symptom worsening with pregnancy suggests a potential link between reproductive events and the autoimmune process.

    • Implications:

    • The findings suggest a possible autoimmune etiology for the patient's pituitary ACTH and prolactin deficiencies.
    • This case highlights the importance of considering autoimmune mechanisms in the diagnosis of complex pituitary disorders.
    • Further research into pregnancy-associated autoimmune conditions affecting the pituitary may be warranted.