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Hypothalamic-pituitary function in patients with craniopharyngiomas

J S Jenkins, C J Gilbert, V Ang

    The Journal of Clinical Endocrinology and Metabolism
    |August 1, 1976
    PubMed
    Summary

    Craniopharyngioma tumors frequently cause hypopituitarism, impacting pituitary-adrenal function, growth hormone, and gonadotropin levels. Hormone deficiencies are common, affecting thyroid and reproductive health in patients with these brain tumors.

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    Area of Science:

    • Neuroendocrinology
    • Oncology

    Background:

    • Craniopharyngiomas are tumors affecting the pituitary gland and hypothalamus.
    • These tumors can disrupt critical hormonal functions regulated by the hypothalamic-pituitary axis.

    Purpose of the Study:

    • To investigate hypothalamic-pituitary function in patients with craniopharyngioma.
    • To assess the prevalence and types of endocrine dysfunction caused by these tumors.

    Main Methods:

    • Evaluation of hypothalamic-pituitary function in 20 craniopharyngioma patients.
    • Measurement of various hormone levels and responses to stimulation tests (TRH, LRH).

    Main Results:

    • All patients exhibited some degree of hypopituitarism.
    • 50% had pituitary-adrenal dysfunction; nearly all had growth hormone and gonadotropin deficiencies.

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  • Thyroid hormone deficiencies and abnormal TSH responses to TRH were observed in several patients.

    • Conclusions:

    • Craniopharyngiomas commonly lead to panhypopituitarism, affecting multiple endocrine axes.
    • Hormone replacement therapy is crucial for managing these patients.
    • Tumor location, particularly hypothalamic involvement, significantly influences the pattern of endocrine deficits.