Neither the increased creatinine nor increased urea levels necessarily reflect a worsening of renal parenchymal disease, however. Other causes of increased serum creatinine concentration that are ...

[20] Since hydronephrosis is more common than hydronephrosis-associated erythrocytosis, however, it seems unlikely that the distension and compression of renal parenchyma are the only factors ...

In adults and in children older than 2–3 months, the renal cortex is normally less echogenic than the liver parenchyma. Some researchers have suggested that hyperechogenicity of the renal cortex ...