Doctor insights on: Preparation for kidney ultrasound

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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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Why is one kidney bright on an ultrasound?

Why is one kidney bright on an ultrasound?

Aging of kidney: When a kidney ages, it acquires a condition called chronic kidney disease and appears bright on ultrasound. This usually appears in both kidneys, however, sometimes, a kidney appears bright before the other for different reasons e.g. If it has less good blood flow due to extra cholesterol plaques in blood vessels. Usually that kidney is a little smaller. Check your blood and urinalysis, though. ...Read more

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What do white marks on a kidney ultrasound scan mean?

What do white marks on a kidney ultrasound scan mean?

Tough Question: Boy that's a tough question. Usually things that are bright on ultrasound are calculi (stones), air, or fat. If it were air the pt would likely be very sick. Fat is almost always benign, and stones can cause symptoms ranging from mild pain to sepsis. ...Read more

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How accurate are ultrasounds when it comes to the kidneys?

How accurate are ultrasounds when it comes to the kidneys?

Fairly accurate: It really depends on the presenting issue at hand, kidneys cysts, masses, and structural issues are well defined with ultrasound. Kidney function is not great for defining kidney function. Labs and urine tests are better for this. ...Read more

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I sometimes feel pain in my left side and my kidney was completely fine in the ultrasound. What could this possibly be?

I sometimes feel pain in my left side and my kidney was completely fine in the ultrasound. What could this possibly be?

MAY BE MUSCULAR PAIN: It probabely is not related to your kidney and may be muscular pain
discuss with your doctor who examined you and ordered ultrasound. ...Read more

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Kidney ultrasound measurements were 89mm x 42mm x34mm on left and 89mm x 33mm x 45mm on right. I'm 34, female. Should I be worried?

Kidney ultrasound measurements were 89mm x 42mm x34mm on left and 89mm x 33mm x 45mm on right. I'm 34, female. Should I be worried?

KIDNEY SIZE: Kidney size can be variable, the kidney function is more important. You need an exam and labs. Especially bun/Cr ratio. 24 urine for protein and creatinine clearance. Follow up with your doctor and potentially a renal consult. ...Read more

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Kidney ultrasound shows stones, what to do?

Kidney ultrasound shows stones, what to do?

Depends on the size: It depends on how large the stones are. Very small stones should be able to pass without difficulty. Medium or large stones should probably be treated. If the stones are visible on a plain film xray, then eswl is a good option. Very large stones may require a more invasive procedure. Either way, it is important to increase your daily water intake to 2.5 to 3 l. ...Read more

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I am 12 weeks and ultrasound tech didn't locate kidneys?

12 weeks: 12 weeks is still early for a formal anatomic scan, so this isn't necessarily cause for alarm. In a general OB office the techs' skills with early ultrasound also vary alot. At 15-16 weeks in a perinatal specialty office, not seeing kidneys is very serious. ...Read more

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When having a ultrasound on kidneys what does the colors mean?

When having a ultrasound on kidneys what does the colors mean?

Blood flow: Colors are genertaed during an ultrasound exam by software that detects motion occuring within the ultrasound beam. Standard colors are red and blue designated movement either towards the bam or away from the beam. Asdditional color gradients can indicate velocity and turbulence in the flow. Color in a kidney ultrasound indicates blood flow. ...Read more

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Ultrasound level 2 showed swollen kidney. What could cause this?

Ultrasound level 2 showed swollen kidney. What could cause this?

Blockage vs infxn: A swollen kidney may be due to either a distal blockage or infection of the kidney or any part of the urinary tract system.
Was there any mention in the report if the renal collecting system was dilated? What additional tests are they doing for you? ...Read more

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What r symptoms of kidney pain? How 2 get it diagnosed? Bloodtest or ultrasound?

Lots of diseases: In medicine, cause means diagnosis. Pain is a symptom and many different diagnosis can cause kidney pain. Commonly, there are kidney stones. Sharp severe pain that comes and goes especially with urinating. You may pass blood along with that pain. There are many other things that can cause pain. ...Read more

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In an ultrasound, my right kidney measured 11x5.5x4.5 cm and left 5.5x5x4.7 cm. Is this a concern? 33yr male, imaging done in 2010

In an ultrasound, my right kidney measured 11x5.5x4.5 cm and left 5.5x5x4.7 cm. Is this a concern? 33yr male, imaging done in 2010

More info needed: Hi
It would be helpful to have more information to better answer this question:

Did you have any prior imaging to compare to?

Why was the imaging in 2010 performed?

Do you have any chronic medical conditions or history of kidney problems? (in your adult life or childhood)

Do you know of anyone else in your family that has similar findings? ...Read more

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Ultrasound showed Asymmetric thickening on the anterior aspect of left kidney. Should I be worried. No definite focal lesions were identified.

Ultrasound showed Asymmetric thickening on the anterior aspect of left kidney. Should I be worried. No definite focal lesions were identified.

Here are some...: Need more info on general/specific history which was associated with why you got US of kidneys so to deduce the clinical significance of the asymmetric thickening on the anterior aspect of left kidney, although in reality it could be just a normal variation. If you need further evaluation with repeating US in 6-12 mons or a CT to further delineate what it may be, that should be decided by you & Dr ...Read more

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My kidney function was not so good 5 months ago, but still in normal range, now on ultrasound, one kidney is 100mm and other 90mm, is this normal?

My kidney function was not so good 5 months ago, but still in normal range, now on ultrasound, one kidney is 100mm and other 90mm, is this normal?

Normal size: The renal length varies with height and weight and decreases slowly with age. Right kidney is usually slightly smaller than the Left. Normal size ranges from 9-12 cm (90-120 mm) and the difference in size should not exceed 2 cm. **So the size of the kidneys is normal. Besides size the texture of the kidney (Its "Ecogenicity") is often increased in chronic renal disease. ...Read more

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Fatty thing in kidney revealed in ultrasound. Still having pain?

More info: You might need more imaging to see. Fatty lesions on the kidney can include angiomyolipomas which can be painful. Have you had an mri? ...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