Originating either in the adrenal medulla or paraganglia, pheochromocytomas are rare catecholamine producing tumors. Typical symptoms include paroxysmal hypertension, severe headaches, palpitations, and sweating resulting from hormone excess. On rare occasions, the tumor remains inert until a stress-inducing event prompts the release of catecholamines.
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Khetani et al. (2024) studied this question.
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