Pheochromocytomas and paragangliomas (PGLs) are rare non-epithelial neuroendocrine neoplasms of the adrenal medulla and extra-adrenal paraganglia respectively. Duodenal PGL is quite rare and there are only two previous reports. Herein. we report a case of multiple catecholamines (CAs)-producing PGLs in the middle ear. https://herbsdailyes.shop/product-category/ornithine/