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Doctor insights on: Ultrasounds And Kidney Stones

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I was sent to get a blood test because of kidney stones that a sonogram revealed I have. My results show that my MPV is high at 12.7 Is that normal?

I was sent to get a blood test because of kidney stones that a sonogram revealed I have. My results show that my MPV  is high at 12.7 Is that normal?

Platelets: MPV=mean platelet volume This is a little used value in thehemograom, with only weak correlation with disease states. Like red cells, younger platelets tend to be bigger, and stress reactions may prompt earlier release from the marrow. Many possible causes, but little utility in isolation. ...Read more

Dr. Michael Gabor
2,248 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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What is the definition or description of: ultrasound of kidneys shows stone?

What is the definition or description of: ultrasound of kidneys shows stone?

Usually definitive.: Ultrasound shows the renal outlines, partly because they are surrounded by fat. Calcific densities are shown by us as highly reflective abnormalities, and there is not much question. The presence of calcific densities in the kidneys makes the diagnosis of stone very likely. If it has been there for years, it may not be important, but otherwise, have it checked. ...Read more

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Please tell me, could a kidney stone not show on ultrasound?

Please tell me, could a kidney stone not show on ultrasound?

Some may not: Some kidney stones may not show on ultrasound .If the stones are less than 3mm the ultrasound exam may not be able to detect in some cases cat scan is the standard test used in us to diagnose kidney stones, but it does involve risk of radiation as compared to ultrasound. ...Read more

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What is increased echo-sinus of kidney due to crystalization but no kidney stones..result of my ultrasound.pls explain coz im confused..Thanks?

What is increased echo-sinus of kidney due to crystalization but no kidney stones..result of my ultrasound.pls explain coz im confused..Thanks?

Here are some...: Kidney sinus is the anatomical area where arteries and veins as well as the kidney pelvis and ureter converge to join kidney solid tissues. Among these described tubing structures, some fatty tissues of wide variable degree may intersperse, pack, and become more echogenic. Such finding carries no clinical significance as long as no obstruction, stone, or kidney infection. etc. More? Ask Doc. ...Read more

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Does a CT or ultrasound always show kidney stones?

Does a CT or ultrasound always show kidney stones?

No: Ct and ultrasound does not "always" show kidney stones. The resolution may not be sensitive enough to see very small stones less than 2 to 3 mm. Depending on the thickness of the images on the ct scan, a stone may be potentially missed between the images taken by the ct scanner. Ultrasound may also over-read or miss very small stones as well. Overall though, the detection rate is still very hi. ...Read more

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Possible for kidney stone not to show up on ultrasound?

Possible for kidney stone not to show up on ultrasound?

YES: Sometimes you would need a different test to pick up stones. ...Read more

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Can a ultrasound show a kidney stone blockage thanks?

Can a ultrasound show a kidney stone blockage thanks?

Yes, depends on seve: If the blockage is complete & urine backs up into the kidneys, you can get a condition called hydronephrosis. This can be detected on ultrasound due to the dilation of the ducts in the kidneys (like stepping on a garden hose- water backs up & bulges). Ultrasound can miss a kidney stone due to its location or size; however, it can detect the *effects* of a kidney stone, by which diagnosis is made. ...Read more

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I had kidney stone surg 2 years ago and i feel o lot of pain in the same kidney ultrasound shows that is not any stone but my pain is getting worse

I had kidney stone surg 2 years ago and i feel o lot of pain in the same kidney  ultrasound shows that is not any stone but my pain is getting worse

Here are some ...: What you described suggests the current pain is not related with kidney or stone. So, collect & bring the info on the onset, degree, duration, interval, & progress of the symptoms over time to Doc for analysis, physicals, possible tests so to deduce possible Dx for reasonable Rx. Best wish ... ...Read more

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I have gross hematuria. I think I passed a kidney stone since it's did not show on the last ultrasound. How long does the blood show after stone pass?

I have gross hematuria. I think I passed a kidney stone since it's did not show on the last ultrasound. How long does the blood show after stone pass?

Afew days but: The stoen may have passed but continued blood could indicate another stone of some other reason. Yoy need to discuss this with your physician ...Read more

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Ultrasound show kidney stone bilateral 4mm in lower pole with pain, blood in urine on and off pain now for a month ! how long will it take to pass?

Course is highly...: Variable. With persistent symptoms and known stones it is time to make a plan with your urologist. ...Read more

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It it possible for kidney stones to show up on ultrasound and not of CT scan if so what kind of stones would they be (uric acid)?

It it possible  for kidney stones to show up on ultrasound and not of CT scan if so what kind of stones would they be  (uric acid)?

Uric acid stones: yes, this is possible: Uric acid stones are not very radio-opaque - so plain XRAY miss them; so might CT, unless contrast is used. Ultrasound will not miss them, unless small - less than 5 mm ...Read more

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Blood in urine reoccuing UTI CT scan 3mm kidney stone bladder ultra sound scan shows bladder not emptying proper what could this be?

Blood in urine reoccuing UTI CT scan 3mm kidney stone bladder ultra sound scan shows bladder not emptying proper what could this be?

Cystitis.: Gross hematuria probably as a result of cystitis caused by the bladder outlet narrowing or stenosis and not because of the kidney stone. By drinking more water like 8 cups a day you can pass the kidney stone. For the cystitis you need urine culture . Until the culture result comes back you can be put on an antibiotic such as cipro (ciprofloxacin) to stop the gross hematuria. ...Read more

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I had all the symptoms of a kidney stone 2 weeks ago. I took medication and it eventually went away. After two weeks all the symptoms came back. Is this normal? I'm in constant pain and can't even focus on work or school. I got an ultrasound done and it d

Kidney stone??: If you truly had a kidney stone it is supposed to be one of the worst back pains there is and it is usually treated in the ER by putting an IV live in you and pushing in fluids until you pee it out. They try to capture the "sand" analyze it and modify your diet, hoping that you won't make another. If you have one that didn't pass there are techniques to break it up from outside and then there is s ...Read more

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Do ultrasounds ever miss kidney stones?

Do ultrasounds ever miss kidney stones?

Yes frequently: Small stones can easily be missed, by any ultrasound machine especially by office ultrasound machines. Spiral ct scan is the most reliable imaging tool for small kidney stones. Flank pain & microscopic blood in urine are frequently good clues to presence of stones. Good news is that small kidney stones usually pass spontaneously & require no intervention. ...Read more

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Can kidney stones be found with an ultrasound?

Can kidney stones be found with an ultrasound?

Yes: Ultrasound may not see the stone well but may see swelling in the tube (ureter) where a stone has clogged up the drain. A cat scan (ct) is usually the preferred test to better see the stones. But, unlike ultrasound exposes you to some radiation. ...Read more

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Is a catscan or ultrasound better for seeing kidney stones?

Is a catscan or ultrasound better for seeing kidney stones?

Depends: For renal stones (in kidney), ultrasound is usually adequate. Can also see dilation of the kidney when stone is blocking the outflow tube (ureter). For better clear picture and to see ureteral stones which are closer to bladder, ct scan is better. However, all ctscans must be considered carefully given the radiation exposure to the patient which ultrasound does not have. ...Read more

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Can a blood test miss a kidney stone that was discovered by an ultrasound?

Can a blood test miss a kidney stone that was discovered by an ultrasound?

Yes: No blood test can diagnose a kidney stone. The diagnosis is usually made by using a medical imaging study- Ct, X-Ray, US in the presence of symptoms suggesting a kidney stone. A urineanalysis may help in establishing the acuity. Hope it helps. ...Read more

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Is it possible to have kidney stones, but not have any evidence of them in urine samples or ultrasounds?

Is it possible to have kidney stones, but not have any evidence of them in urine samples or ultrasounds?

Yes: These stones may be too small see on ultrasound and a routine urinalysis may easily miss stones as well. The best test for diagnosing the majority of stones in the urinary tract is a ct scan without contrast. This will detect the majority of kidney stones but a few may be missed occasionally. ...Read more

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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


Kidney Stone (Definition)

Solutes precipitate and combine to form stones formed of calcium oxalate usually around a nidus of uric acid. Other solutes that form stones are ca and mg phosphates, cystine, and uric acid staghorn calculi form in the presence of chronic urinary tract infections. Stones can be painful, may require ...Read more