Renal arteriography

Percutaneous renal angiography is the gold standard for diagnosing hypertension in renal arteries. Renal atherosclerotic stenosis is mostly located at the beginning or proximal of the renal artery; arterial myofibroblastic stenosis is mostly located at the middle and distal sections, and presents a segmental bead-like manifestation. Multiple arteritis often occurs in the abdominal aorta at the same time. Sexual stenosis. Renal arteriography is also used for the differential diagnosis of parenchymal space-occupying lesions in the kidney. Vessel compression or displacement around benign tumors in renal benign tumors; the supply arteries of renal hemangiomas can be seen to be thickened, and tumor areas show vascular masses. Drainage venous tortuosity expansion; angiography of renal adenocarcinoma (clear cell carcinoma) showed thickening of the renal arterial trunk, but also tortuosity, uneven thickness, and small pool-like tumor vascular shadow, and tumor vessels have arteriovenous fistulas, so early renal vein development. The tumor infiltrated the blood vessels, causing occlusion, and the blood vessels were interrupted. The blood supply in the tumor is abundant and the local density is increased. When the blood vessels in the tumor area are invaded or occluded, the density is lower than that of normal kidney tissue, and the edges are not clear.

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