However, they are probably best known for the roles they play in the immune systemâs defense against disease-causing organisms. 1  As part of the immune response, cytokines exert their influence over various white blood cells (leukocytes), including lymphocytes, granulocytes, monocytes, and macrophages.
Renal parenchymal echohenicity is a kind of imaging terminology, which can present some renal abnormalities. In most condition, increased renal parenchymal echogenicity indicates that there is a certain degree of kidney damage or renal parenchymal inflammation.
Arterial embolization. This technique is used to block the artery that feeds the kidney that has the tumor. A small catheter (tube) is placed in an artery in the inner thigh and is moved up until it reaches the renal artery going from the aorta to the kidney.