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Renal ultrasonography (Renal US) is the examination of one or both kidneys using medical ultrasound. Ultrasonography of the kidneys is essential in the diagnosis and management of kidney-related diseases. The kidneys are easily examined, and most pathological changes in the kidneys are distinguishable with ultrasound.
A number of factors can influence its efficacy, including chemical composition of the stone, presence of anomalous renal anatomy and the specific location of the stone within the kidney, presence of hydronephrosis, body mass index, and distance of the stone from the surface of the skin. [108]
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Many stone types can be detected by ultrasound; Factors contributing to stone formation (as in #Etiology) are often tested: Laboratory testing can give levels of relevant substances in blood or urine; Some stones can be directly recovered (at surgery, or when they leave the body spontaneously) and sent to a laboratory for analysis of content
The renal pelvis is the location of several kinds of kidney cancer and is affected by infection in pyelonephritis. [citation needed] A large "staghorn" kidney stone may block all or part of the renal pelvis. The size of the renal pelvis plays a major role in the grading of hydronephrosis.
CVA tenderness often indicates kidney pathology, but it may result from other medical problems. [4] CVA tenderness is often present in acute pyelonephritis . [ 5 ] [ 4 ] [ 6 ] [ 7 ] CVA tenderness may be present in patients who have a kidney stone , [ 8 ] [ 7 ] a stone in the ureter , [ 8 ] a ureteropelvic junction obstruction, [ 8 ] a kidney ...
The increased saturation of urine with calcium elevates the rate of stone formation within the kidneys, due to the excess calcium precipitating and forming crystals, which develop into larger stones over time. [23] The stones form in the kidneys and leave the body through the urethra, which can cause tremendous amounts of pain. [23]
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