title: Pheochromocytoma presenting with Prinzmetal's angina.
abstract: A patient with a pheochromocytoma presented with profound hypertension and the clinical syndrome of coronary artery spasm after the initiation of beta blockade therapy. It is postulated that intense unopposed alpha receptor stimulation can precipitate coronary artery spasm in susceptible persons with this tumor.
mesh_terms: D000310:Adrenal Gland Neoplasms / Q000150:complications*; D000328:Adult; D000788:Angina Pectoris, Variant / Q000209:etiology*; D005260:Female; D006801:Humans; D010673:Pheochromocytoma / Q000150:complications*