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pheochromocytoma
pheochromocytoma Pheochromocytoma is a usually benign tumor of chromaffin tissue in the adrenal medulla or related sympathetic paraganglia.
Pheochromocytoma is a usually benign tumor of chromaffin tissue in the adrenal medulla or related sympathetic paraganglia. It can cause excess epinephrine and norepinephrine release, leading especially to persistent or intermittent high blood pressure, with attacks that may include headache, sweating, palpitations, tremor, apprehension, flushing or pallor, nausea, vomiting, chest or abdominal pain, and tingling in the limbs.