Pheochromocytoma is a tumor that arises from adrenal medulla and it is characterized by increased secretion of catecholamines. The incidence of pheochromocytoma is 3 to 8 cases per million inhabitants. of which about 10 to 20% of diagnosed pheochromocytomas occurs in the pediatric population. with a higher frequency in boys. https://cariumaes.shop/product-category/backpacks/