"The renal sinus is a fatty compartment located within the medial aspect of the kidney. It communicates with the perinephric space. It contains the renal hilum and is bordered by renal parenchyma laterally."
Expected headings
"Contents"
"junctional parenchymal defects - allow connection of fat in the renal sinus with intraparenchymal fat; may present as a renal pseudotumour 3"
"hypertrophied column of Bertin - normal renal cortex projecting into the renal sinus; can present as a renal pseudotumour"