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Doctor insights on: Renal Ultrasound White Spots Kidney

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My son has urine reflux on both his kidney on a renal ultrasound. Is that bad?

My son has urine reflux on both his kidney on a renal ultrasound. Is that bad?

Varies: The urine collecting system is supposed to flow out, not back & reflux describes back flow. Two issues have importance;chance of infection going up to the kidney from the bladder& pressure stretching open the collecting system. Low grade reflux will often disappear within a year or two, high grade reflux may require surgery.Discuss your kids findings & explore your options. ...Read more

Dr. Michael Gabor
2,270 Doctors shared insights

Sonogram (Definition)

An ultraound, also known as a sonogram, is a painless and relatively inexpensive imaging test that utilizes sound waves instead of ionizing radiation. There are no side effects. Ultrasound can give us two-dimensional, and in some applications three-dimensional, images of structures and organs in virtually any part of the body. In addition to diagnostic uses, such as evaluating abnormalities in the abdomen, pelvis, and breast, ultrasounds are commonly used to guide needle and catheter placement in a variety of surgical ...Read more


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Renal ultrasound showed small hyperechoic foci in both kidneys. What can cause multiple small stones in both kidneys in a 33 yr. Old male? Could taking high vit d daily with calcium long term cause it

Renal ultrasound showed small hyperechoic foci in both kidneys. What can cause multiple small stones in both kidneys in a 33 yr. Old male? Could taking high vit d daily with calcium long term cause it

Kidney stones: The question is why are you taking vitamin d and calcium (c) at all? Your stones could certainly be due to taking those agents. Have a physician order a 24 hour urine collection for uric acid, c and phosphorus levels. If your calcium is high in it, you may need to be on diuretics to reduce the c there. Have a doctor discuss with you the reasons you should or should not be on vit d and c. Good luck. ...Read more

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Still waiting on my most recent labs but my labs from last week my GFR was 84? This is still a normal value correct? Hydronephrosis r kidney no obstruction on ct, scheduled to have renal ultrasound to verify on 1/16.

Still waiting on my most recent labs but my labs from last week my GFR was 84? This is still a normal value correct? Hydronephrosis r kidney no obstruction on ct, scheduled to have renal ultrasound to verify on 1/16.

Yes: The hydronephrosis may only indicate an anatomical variant if your ct revealed no obstruction. The ultrasound can assess if your tubes between the kidney and bladder (ureters) are flowing into the bladder. ...Read more

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30 yr old female. Had renal ultrasound for micro hematuria. Left ureter jet wasn't firing. Kidney blood test normal. Could this be cancer?

30 yr old female. Had renal ultrasound for micro hematuria. Left ureter jet wasn't firing. Kidney blood test normal. Could this be cancer?

Blood in urine: It is not likely that you have a cancer. I see you are taking anticoagulant meds. This can predispose to hematuria. Given the ultrasound finging of what could be slowed urine passage thru one ureter, coupled to microhematuria, I recommend further dialogue with your docs. An IVP or better, a CT-IVP is a valuable next test. ...Read more

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The renal ultrasound and kub X-ray shows no stones in kidneys or gall bladder but a urinal stone. What might be the reason?

? bladder stone: I am not quite sure but here is a possibility. Us and kub are not as sensitive as a ct study for small kidney stones, stones in the ureters or in the urinary bladder. The urinal stone might have been in the urinary bladder. ...Read more

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I had a renal ultrasound and a large benign cyst was found on my upper left kidney. Is this something to worry about and is there treatment for this?

I had a renal ultrasound and a large benign cyst was found on my upper left kidney. Is this something to worry about and is there treatment for this?

Don't worry: Simle beign renal cyst can reliably by diagnosed by a good ultrasound examination. Inner outine of cyst wall is smooth and regular, should have no sepations or irregularities. No indication for anything else other than repeat us in 6 months. 30% of adult population have benign renal cysts of various sizes. Only indication for treatment would be pain or tenderness overlying kidney. ...Read more

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What conditions can actually be detected with a renal ultrasound scan?

What conditions can actually be detected with a renal ultrasound scan?

Renal ultrasound.: Renal ultrasound can find blockages of the urine in the urinary tract or bladder, blockages of the arteries the feed the kidneys blood, kidney size, kidney cysts (and polycystic kidney disease), sometimes but not always kidney stones, and kidney tumors. Since it uses sound waves to create images of the kidney, it is safe, but operator dependent and the images are subject to erroneous interpretation. ...Read more

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Can a renal ultrasound diagnose renal parenchymal disease?

Can a renal ultrasound diagnose renal parenchymal disease?

Not typically: An ultrasound can suggest radiographic evidence of medical renal disease but cannot diagnose this. To make the diagnosis of renal parenchymal disease the radiographic findings must be combined with blood studies of kidney function and sometimes urine studies for protein or a kidney biopsy. ...Read more

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Why would a doctor recommend a renal ultrasound?

Why would a doctor recommend a renal ultrasound?

Your: Doctor must suspect some sort of kidney problem. There are numerous potential renal abnormalities and renal manifestations of systemic abnormalities. Avoid speculation and ask your doc the reason for the test. ...Read more

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How much liquid should a five year old drink before a renal ultrasound?

How much liquid should a five year old drink before a renal ultrasound?

See below: The bladder should be full for this study...
children who have bladder control should not empty their bladder for two to three hours before the ultrasound scan
– infants who do not have bladder control should have as much fluid as they can tolerate about 30 minutes before the ultrasound scans. ...Read more

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If you've had an abnormal urine speciman, why would they want a renal ultrasound?

To look for cause: Renal us is an easy noninvasive
way to image the kidneys and bladder to look for obstruction, stones, or tumors. All can cause abnormal renal function studies. ...Read more

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What exactly are the renal ultrasound limitations in the evaluation of urinary tract?

What exactly are the renal ultrasound limitations in the evaluation of urinary tract?

Not pyelonephritis: Renal ultrasound can not detect pyelonephritis unless there is appreciable swelling of part or all of the kidney. It is excellent for demonstrating kidney cysts, hydronephrosis or kidney obstruction. Will demonstrate large and obstructing kidney stones but can and will miss small kidney stones smaller especially smaller than 3mm. ...Read more

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My daughter had a renal ultrasound done yesterday and it did not show any blue during the blood flow. What does that mean?

Not sure: Renal ultrasound is a non-invasive test that determines the size and shape of the kidneys, blood flow, presence of blockages or kidney stones, cysts or tumors. Often the technician will also look at the bladder. I am not sure what you mean by "blue". ...Read more

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Why would I need a 'renal ultrasound' for high blood pressure at only 21?

Why would I need a 'renal ultrasound' for high blood pressure at only 21?

Evaluation: High blood pressure at 21 years old is very unusual. A renal ultrasound (same as kidney ultrasound) can look for causes like renal artery stenosis, or an adrenal tumor-- both of which could cause high blood pressure at such a young age. ...Read more

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Why exactly would I need a 'renal ultrasound' for high blood pressure at 21?

Why exactly would I need a 'renal ultrasound' for high blood pressure at 21?

It is indicated: As having high blood pressure is clearly abnormal in a 21 year old. Your doctor will order blood tests and kidney imaging to rule out secondary causes of hypertension. ...Read more

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What do colors in a renal ultrasound mean?

Ultrasound: Color is used to determine whether a blood vessel is an artery or vein. If you saw colors on your kidney ultrasound, it means a "doppler" was done to look at the blood vessels. With a doppler, everyone will gave color (blue and red). ...Read more

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Is renal ultrasound a very common procedure?

Is renal ultrasound a very common procedure?

Ultrasound: It is a common procedure because is not invasive and provides lot if information and it is cheap. Therefore widely use. When there is any suspicion of renal pathology most of the time an ultrasound is performed before a ct scan. ...Read more

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Do you need to fast before a renal ultrasound?

Do you need to fast before a renal ultrasound?

No: No not unless thet are looking at the arteries of the kidneys also ...Read more

Kidney (Definition)

The kidneys are paired organs that lie on either side of the vertebral column. Part of their critical functions include the excretion of urine and removal of nitrogenous wastes products from the blood. They regulate acid-base, electrolyte, fluid balance and blood pressure. Through hormonal signals, the kidneys control the ...Read more


Dr. Sheila Smith
64 Doctors shared insights

Ultrasound Of Kidneys (Definition)

When babies have had a urinary tract infection, it is often wise to use imaging studies to look for causes and to evaluate the health of the kidneys. The ultrasound of the kidneys will identify if there is a ...Read more