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Abstract:
Four cases of pheochromocytomas are reported: 3 cases of malignant pheochromocytomas of the adrenal glands and 1 case of pheochromocytoma, diagnosed on the basis of clinical and biologic signs, whose site and malignant character were not demonstrated. A rare association of pheochromocytoma and stenosis of the renal artery, recorded for one of the cases, is discussed.