Renal vascular malformation

Renal vascular malformation and compression refer to a series of changes in renal hemodynamics caused by abnormalities in the number of origins and drainage directions of the arterial and venous trunks and their branches of the bilateral kidneys or by compression and deformation of surrounding tissues and organs. Pathological damage. In normal people, bilateral renal arteries originate from both sides of the abdominal aorta at the level of the first lumbar spine, and are located slightly below the superior mesenteric artery. The right renal artery is slightly longer than the left renal artery. Enter the renal parenchyma before and behind the renal pelvis. The anterior branch of the renal artery divides into four segments of arteries (apical, superior, middle, and inferior), and the posterior branch continues as the posterior segment of the artery. The interstitial arteries, which issue the interlobular arteries, enter the renal cortex radially, and then branch into the arterioles, which form capillaries in the glomerulus, and then collect into the arterioles, leaving the glomerulus. The bulbar arterioles enter the medulla through the straight renal arterioles, form a capillary network, and then enter the bilateral renal vein trunks from the veins with the same name in turn, and then return to the inferior vena cava. Renal vascular malformation and compression refer to a series of changes in renal hemodynamics caused by abnormalities in the number of origins and drainage directions of the arterial and venous trunks and their branches of the bilateral kidneys or by compression and deformation of surrounding tissues and organs. Pathological damage.

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