FIG 4. A 53-year-old-man with bilateral carotid body tumors.

A, Anteroposterior view of the 3D TOF MIP (25/6.9/1/20° [TR/TE/excitations/flip angle]) shows the thyrocervical trunk (arrowheads), adding to the vascularization of the carotid body tumor.

B, On the aortic arch angiogram, showing both carotid body tumors, the vascularization from the thyrocervical trunk (arrowheads) was confirmed.