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.
Tract seeding is a rare complication of percutaneous renal biopsy and ablation. Tumor seeding of the applicator track after percutaneous renal tumor ablation has been reported in only one case, to our knowledge (50). However, tumor seeding is an important complication that must be screened for at follow-up imaging.