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Endoscopic Endonasal Trans-sphenoidal Approach: Minimally Invasive Surgery for Pituitary Adenomas
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[Pheochromocytoma and paraganglioma: basics for the general practitioner]

Nicolas Loosli, Ballan Bettina Köhler, Antoinette Pechère-Bertschi

    Revue Medicale Suisse
    |October 18, 2014
    PubMed

    Insights

    Pheochromocytomas (PHEO) and paragangliomas (PGL) are rare tumors causing cardiovascular issues due to catecholamine excess. Early diagnosis via metanephrine testing and imaging, followed by alpha-blocker treatment and monitoring, is crucial for managing these neuroendocrine tumors.

    Area of Science:

    • Endocrinology
    • Oncology
    • Genetics

    Background:

    • Pheochromocytomas (PHEO) and paragangliomas (PGL) are rare neuroendocrine tumors.
    • These tumors primarily secrete catecholamines, leading to variable clinical presentations.

    Observation:

    • Cardiovascular complications are the main cause of morbidity and mortality in PHEO and PGL.
    • Syndromic associations with genetic mutations necessitate germline mutation screening and genetic counseling.

    Findings:

    • Diagnostic assays for metanephrine and normetanephrines are the initial step.
    • CT or MRI imaging is used to localize tumors after positive biochemical tests.
    • Preoperative alpha-blocker treatment significantly reduces perioperative risks.

    Implications:

    • Timely diagnosis and appropriate management, including alpha-blockade and surgical planning, are vital.
    • Long-term follow-up is essential for detecting tumor recurrence.
    • Understanding the genetic basis of PHEO and PGL aids in risk assessment and family screening.

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