Pheochromocytomas are rare catecholamine secreting neuroendocrine tumours arising from chromaffin cells of the sympathetic nervous system in the adrenal medulla or extra-adrenal paraganglia. A 20-years-old female presented with paroxysms of abdominal pain. palpitation. sweating and headache since last 2 years. https://www.markymarkscott.com/product-category/4n/