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Figure 18. Renal stone located at the pyeloureteric junction with accompanying hydronephrosis. [1] With US, larger stones (>5–7 mm) within the kidney, i.e., in the calyces, the pelvis and the pyeloureteric junction, can be differentiated, especially in the cases with accompanying hydronephrosis (Figure 18 and Figure 19).
Assessment of the urinary tract for abnormalities such as blockage or narrowing, the presence of kidney stones, or tumours. [2] Use of duplex ultrasound to determine if there is backward flow of urine, for example in vesicoureteric reflux. Determination of how much urine is in the bladder, for example to assess for urinary retention.
Medical ultrasound includes diagnostic techniques (mainly imaging techniques) using ultrasound, as well as therapeutic applications of ultrasound. In diagnosis, it is used to create an image of internal body structures such as tendons, muscles, joints, blood vessels, and internal organs, to measure some characteristics (e.g., distances and velocities) or to generate an informative audible sound.
Treatments depend on the patient, the type of kidney stone and several other factors. These include: Surgical intervention. Some patients may need surgery to remove kidney stones or to help them pass.
Otherwise a noncontrast helical CT scan with 5 millimeters (0.2 in) sections is the diagnostic method to use to detect kidney stones and confirm the diagnosis of kidney stone disease. [16] [57] [61] [66] [7] Near all stones are detectable on CT scans with the exception of those composed of certain drug residues in the urine, [59] such as from ...
Hydronephrosis due to a kidney stone at the ureteral vesicular junction seen on CT scan Prenatal diagnosis is possible, [ 9 ] and in fact, most cases in pediatric patients are incidentally detected by routine screening ultrasounds obtained during pregnancy. [ 10 ]
Ultrasound imaging is useful for detecting stones, for example kidney stones or gallstones, because they create a clearly visible ultrasound shadow behind the stone. [ citation needed ] Ultrasonography can be used to guide procedures such as treatment for kidney stones with extracorporeal shock wave lithotripsy , needle biopsies or paracentesis ...
It is a disease involving the defective transepithelial transport of cystine and dibasic amino acids in the kidney and intestine and is one of many causes of kidney stones. If not treated properly, the disease could cause serious damage to the kidneys and surrounding organs, and in some rare cases death.