Arteriographic manifestations of pheochromocytoma

Fourteen patients with 16 pheochromocytomas were studied arteriographically over a seven year period. Abnormalities identified the tumor site in 15 instances, but only a single subtle change was present in six of these. Renal artery stenosis was present in eight instances and was significant initially in at least one patient and may become significant in others. A hypertensive response to the study occurred in one-half the patients even though most had received adrenergic blocking drugs. Phentolamine remains the drug of choice in treatment.
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