hypertension resulting from an adrenal medullary pheochromocytoma or from hyperactivity or functioning tumor of the adrenal cortex.
ad·re·nal hy·per·ten·sion
(ă-drē'năl hī'pĕr-ten'shŭn) Hypertension due to an adrenal medullary pheochromocytoma or to hyperactivity or functioning tumor of the cortex of the suprarenal gland.