Multiparametric analysis of carotid body tumours: a pictorial essay.

Carotid body tumours (CBT), also called carotid body paraganglioma, are highly vascular and histologically portray paraganglion cells. They are typically found at the carotid bifurcation and result in the splaying of the internal and external carotid arteries (ICA and ECA). Recent literature supports the role of chronic hypoxia in the etiology of CBT.