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Phaeochromocytoma.

P E Cryer

    Clinics in Endocrinology and Metabolism
    |February 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

    Phaeochromocytomas, rare tumors, are often lethal but curable. Early detection through symptom recognition and biochemical tests like urinary catecholamines is crucial for managing hypertension and associated conditions.

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    Area of Science:

    • Endocrinology
    • Oncology
    • Nephrology

    Background:

    • Phaeochromocytomas are rare tumors that can cause significant morbidity and mortality.
    • They may present in hypertensive or normotensive individuals, often as a clue to associated conditions.
    • Clinical suspicion arises from specific symptoms and hypertension patterns.

    Purpose of the Study:

    • To outline the diagnostic approach to phaeochromocytoma.
    • To highlight the importance of early detection and management.
    • To discuss diagnostic methods and localization techniques.

    Main Methods:

    • Clinical suspicion based on symptoms (headache, palpitations, diaphoresis, anxiety) and hypertension characteristics.
    • Biochemical confirmation via urinary catecholamines, metanephrines, or VMA.

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  • Plasma catecholamine measurements, emphasizing meticulous sample handling.
  • Anatomical localization using computed tomographic (CT) scans.

    • Main Results:

    • Biochemical tests confirm diagnosis, with plasma catecholamines potentially offering superior accuracy.
    • CT scans effectively localize tumors, predominantly in the adrenal medulla.
    • Familial cases often present with bilateral adrenomedullary tumors.

    Conclusions:

    • Phaeochromocytomas are curable but potentially lethal, necessitating prompt diagnosis.
    • Accurate biochemical testing and imaging are key for effective management.
    • Surgical excision is feasible after appropriate medical preparation.