Pheochromocytomas and paragangliomas (PPGLs) constitute rare neuroendocrine malignancies originating from chromaffin tissue within adrenal medullary compartments (pheochromocytomas) or non-adrenal paraganglia networks (paragangliomas). Although uncommon in frequency, these tumors possess considerable clinical significance through episodic catecholamine hypersecretion, cardiovascular sequelae,...