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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.
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. To look for evidence and the cause of chronic kidney disease, for example shrunken kidneys. [1]
Renal hypoplasia; Other names: Hypoplastic kidneys: An ultrasound scan of a hypoplastic right kidney in an adult male. Specialty: Nephrology: Complications: Anuria, chronic kidney disease, glomerular hyperfiltration, hypertension, proteinuria, sepsis, urinary tract infection, urinary tract obstruction, urolithiasis [1] [2] Types
Whilst ultrasound allows for visualisation of the ureters and kidneys (and determine the presence of hydronephrosis and / or hydroureter), an IVU is useful for assessing the anatomical location of the obstruction. Antegrade or retrograde pyelography will show similar findings to an IVU but offer a therapeutic option as well.
Upon presentation of decreased renal function, it is recommended to perform a history and physical examination, as well as performing a renal ultrasound and a urinalysis. [ citation needed ] The most relevant items in the history are medications , edema , nocturia , gross hematuria , family history of kidney disease, diabetes and polyuria .
Ultrasound findings that indicate pyelonephritis are enlargement of the kidney, edema in the renal sinus or parenchyma, bleeding, loss of corticomedullary differentiation, abscess formation, or an areas of poor blood flow on doppler ultrasound. [21] However, ultrasound findings are seen in only 20–24% of people with pyelonephritis. [21]
The standard diagnostic workup of suspected kidney disease includes a medical history, physical examination, a urine test, and an ultrasound of the kidneys (renal ultrasonography). An ultrasound is essential in the diagnosis and management of kidney disease. [28]
An ultrasound imaging can be used to observe and track the size of the kidneys in RVT patients. Ultrasound is not efficient for use in detecting blood flow in the renal veins and artery. Instead a color doppler ultrasound may be used to detect renal blood flow. It is most commonly used to detect RVT in patients who have undergone renal ...