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Intrasellar germinoma associated with hyperprolactinemia.

S Marcovitz, H J Guyda, M H Finlayson

    Surgical Neurology
    |October 1, 1984
    PubMed
    Summary
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    Intrasellar germinomas, rare tumors, can cause hyperprolactinemia and neuroendocrine deficits in young adults. Early detection through pituitary function testing and CT scans is crucial for successful radiocurable treatment.

    Area of Science:

    • Neuroendocrinology
    • Oncology
    • Neurosurgery

    Background:

    • Intrasellar germinomas are rare tumors that can affect young adults.
    • These tumors can present with symptoms mimicking other pituitary adenomas, such as prolactinoma or craniopharyngioma.
    • Hyperprolactinemia and neuroendocrine deficits are potential clinical manifestations.

    Observation:

    • Two young adult patients presented with hyperprolactinemia and neuroendocrine deficits.
    • Histological confirmation post-transsphenoidal surgery identified intrasellar germinomas in both cases.
    • The tumors were predominantly located within the sella turcica.

    Findings:

    • Intrasellar germinomas can mimic prolactinomas and craniopharyngiomas.
    • Diagnosis was confirmed histologically after surgical resection.

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  • The tumors were identified as malignant but radiocurable.

    • Implications:

    • Early detection of intrasellar germinomas is vital for effective management.
    • Dynamic pituitary function testing and computed tomography (CT) scanning aid in early diagnosis.
    • Prompt diagnosis and treatment can lead to favorable outcomes for this rare malignancy.