Pheochromocytoma with renal artery compression in an identical twin

Abstract
An adult patient with severe hypertension had a pheochromocytoma compressing and narrowing the right renal artery. Excision of the tumor and right kidney afforded complete relief of symptoms, and the patient has now remained normotensive for over three years. An identical twin brother remains normotensive and asymptomatic. A local, unrelated patient with a similar problem corrected by surgery is briefly discussed. This combination of events may not be as rare as one would suspect and that close attention to the capillary filling phase during routine aortography for renal artery stenosis may assist in making this diagnosis in unsuspected cases.

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