This means they are retroperitoneal. Each kidney is held in place by connective tissue, called renal fascia, and is surrounded by a thick layer of adipose tissue, called perirenal fat, which helps to protect it.he cortex and medulla make up the parenchyma, or functional tissue, of the kidney. The central region of the kidney contains the renal pelvis, which is located in the renal sinus, and is continuous with the ureter. The renal pelvis is a large cavity that collects the urine as it is produced.
You must be still during the exam, because movement causes blurred images. You may be told to hold your breath for short periods of time. In many cases, an abdominal CT is done with a pelvis CT. The scan should take less than 30 minutes. You need to have a special dye, called contrast, put into your body before some exams. Contrast helps certain areas show up better on the x-rays. Contrast can be given through a vein (IV) in your hand or forearm. If contrast is used, you may also be asked not to eat or drink anything for 4 to 6 hours before the test.
Find out what a CT scan is, how you have it and what happens afterwards. A CT scan takes detailed pictures of your body from different angles. A computer then puts them together to give a series of pictures. CT (or CAT) stands for computerised (axial) tomography. How you have it. You usually have a CT scan in the x-ray (radiology) department as an outpatient. A radiographer operates the scanner. The whole appointment can take up to an hour and a half. Why you might have a CT scan