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Undiagnosed Pheochromocytoma 

Undiagnosed Pheochromocytoma
Undiagnosed Pheochromocytoma

Andrew F. Stasic

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date: 13 June 2021

Pheochromocytomas are neuroendocrine tumors that secrete large amounts of vasoactive catecholamines resulting in excessive tachycardia and hypertension. These rapid physiologic perturbations can be especially dangerous in patients at risk for stroke and myocardial infarction. Pharmacologic preparation of patients with known pheochromocytomas preoperatively can take many days of advance notice, but doing so successfully will significantly reduce the likelihood of intraoperative hemodynamic complications. Patients who present intraoperatively with undiagnosed pheochromocytomas pose unusual challenges for the anesthesiologist. Prompt recognition of the possibility of an undiagnosed pheochromocytoma and rapid treatment with the appropriate vasoactive drugs may be life saving.

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