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Basilar artery aneurysm simulating pheochromocytoma

M A Emanuele, T R Dorsch, T B Scarff

    Neurology
    |December 1, 1981
    PubMed
    Summary
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    Posterior fossa lesions can cause hypertensive crises by stimulating sympathetic vasomotor centers. Consider these lesions in patients with unexplained hypertension, especially when pheochromocytoma is ruled out.

    Area of Science:

    • Neurology
    • Cardiovascular Medicine
    • Neurosurgery

    Background:

    • Lesions in the posterior fossa are known to stimulate sympathetic vasomotor centers.
    • This stimulation can lead to significant alterations in blood pressure regulation.

    Observation:

    • A patient presented with a pheochromocytoma-like syndrome and a basilar artery aneurysm.
    • The patient experienced recurrent hypertensive episodes.

    Findings:

    • Surgical repair of the basilar artery aneurysm resulted in the complete resolution of hypertensive episodes.
    • This suggests a causal link between the posterior fossa lesion (aneurysm) and the hypertensive crisis.

    Implications:

    • Posterior fossa lesions should be considered in the differential diagnosis of hypertensive crises.

    Related Experiment Videos

  • This is particularly important when standard diagnostic tests for adrenal or extra-adrenal pheochromocytoma are negative.
  • Considering posterior fossa lesions can lead to timely diagnosis and appropriate treatment for complex hypertensive emergencies.