Phaeochromocytoma diagnosed during barium meal

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Abstract
A 62 yr old woman is presented with a pheochromocytoma recognized after precipitation of a hypertensive crisis by administration of glucagon hydrochloride i.v. to relax smooth muscle during roentgenographic barium examination. Diagnosis is confirmed by elevated urinary hydroxymethoxymandelic acid and plasma catecholamines. Angiography demonstrates a left adrenal tumor and is subsequently adrenalectomized.