Lactic Acidosis in Pheochromocytoma

Abstract
Lactic acidosis is not generally recognized as a complication of pheochromocytoma. We review three prior case reports of lactic acidosis in patients with phenochromocytoma and one report of lactic acidosis following epinephrine poisoning and describe an additional case report of a patient with lactic acidosis in whom an unsuspected pheochromocytoma was discovered at autopsy. the pathophysiology of lactic acidosis in pheochromocytoma is related to the effect of catecholamines on intermediary metabolism and the peripheral circulation. Although the possible development of lactic acidosis in persons with pheochromocytoma is underappreciated, the differential diagnosis of lactic acidosis should include this tumor.

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