Digital subtraction angiography of the renal arteries is performed using iodine contrast to visualize the renal vascular system. When the capillaries and parenchyma are enhanced with contrast, the renal morphology as well as the structures of the cortical medulla and renal pelvis are visualized.

The bronchial arteries are the part that provides nutrition and oxygen to the lungs. Digital subtraction angiography of the bronchial arteries will help doctors collect images of this organ to serve the examination and treatment process.