Table 1 Tumour classification and site
TumourSiteCatecholaminesecretion?
PhaeochromocytomaAdrenal medullaYes
Extra-adrenal paragangliomaSympathetic paragangliaYes
Head and neck paragangliomaParasympathetic paraganglioma: carotid body chemodectomas and glomus jugulare tumoursNot usually