COEXISTING EXTRAADRENAL PHEOCHROMOCYTOMA AND RENAL-ARTERY STENOSIS - A CASE-REPORT AND REVIEW OF THE PATHOPHYSIOLOGY

The authors report the case of an 8-year-old boy with coexisting malig nant extraadrenal pheochromocytoma and ipsilateral renal artery stenos is, severe hypertension, normal urinary vanillylmandelic acid levels, and elevated catecholamines and renin levels. Reported mechanisms of t he stenosis are reviewed. The interrelationships of catecholamines, re nin, and angiotensin and their effects on renal vasculature are discus sed. Copyright (C) 1995 by W.B. Saunders Company.