Search results
Results from the WOW.Com Content Network
immediate X-ray of just the renal area; 5 minute X-ray of just the renal area. 15 minute X-ray of just the renal area. At this point, compression may or may not be applied (this is contraindicated in cases of obstruction). In pyelography, compression involves pressing on the lower abdominal area, which results in distension of the upper urinary ...
These outlines eventually come together to form a dense mass. [3] During its early stages, nephrocalcinosis is visible on x-ray, and appears as a fine granular mottling over the renal outlines. It is most commonly seen as an incidental finding with medullary sponge kidney on an abdominal x-ray.
The kidney is divided into parenchyma and renal sinus. The renal sinus is hyperechoic and is composed of calyces, the renal pelvis, fat and the major intrarenal vessels. In the normal kidney, the urinary collecting system in the renal sinus is not visible, but it creates a heteroechoic appearance with the interposed fat and vessels.
Renal angiography uses the same principle as IVP, as this type of X-ray also uses a contrasting dye. This radiologic test is important in diagnosing renal cell carcinoma as an aid for examining blood vessels in the kidneys.
Risk factors for kidney disease include diabetes, high blood pressure, family history, older age, ethnic group and smoking. For most patients, a GFR over 60 (mL/min)/(1.73 m 2) is adequate. But significant decline of the GFR from a previous test result can be an early indicator of kidney disease requiring medical intervention.
Lloyd's sign indicates the presence of renal calculus or pyelonephritis when pain is elicited by deep percussion in the back between the 12th rib and the spine. [1] It is closely related to costovertebral angle tenderness, as the area of percussion is the same. However, Lloyd's sign is specifically defined as positive costovertebral angle ...
Research on kidney transplants suggests that kidneys from donors with two copies of the higher-risk APOL1 variants fail at higher rates after transplantation. This could explain the data on Black ...
Hydronephrosis can also result from the retrograde flow of urine from the bladder back into the kidneys (vesicoureteral reflux), which can be caused by some of the factors listed above as well as compression of the bladder outlet into the urethra by prostate enlargement or fecal impaction in the rectum (which sits immediately behind the ...