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Doctor insights on: Non Obstructing Nephrolithiasis

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What are non shadowing echogenic foci of the kidney? Are they considered to be kidney stones?

What are non shadowing echogenic foci of the kidney? Are they considered to be kidney stones?

Maybe: It depends on where the foci were seen. Were they in the kidney or in the renal sinus? In the cortex, it could be artifact or fat. In the renal sinus, it could be artfiact or kidney stone. If there is a concern for stones, ct is the most accurate test. ...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


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I have multiple non-obstructing nephrolithiasis atleast 8 in the right and 5 in the left. Which measures ranging from 1.7mm to 6.8mm, should I worry?

I have multiple non-obstructing nephrolithiasis atleast 8 in the right and 5 in the left. Which measures ranging from 1.7mm to 6.8mm, should I worry?

Seek evaluation.: Just because you have stones doesn't mean they will necessarily obstruct & cause you problems; but you may be at risk. The best way to assess your risk is to discuss your case with a urologist. A detailed history is important. And if you are a driver or a pilot, understanding your risk is important since you cannot afford to have an attack of renal colic while on the job. Seek advice & good luck. ...Read more

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I have pelvic ultrasound yesterday and found out tiny non obstructing nephrolithiasis, bilateral; small renal cyst measuring 9mm, left. Should I worry?

I have pelvic ultrasound yesterday and found out tiny non obstructing nephrolithiasis, bilateral; small renal cyst measuring 9mm, left. Should I worry?

No: Small kidney cysts are pretty common. And small non obstructing stones should not cause much issue especially if you have a history of prior stones. If concerned, check with your urologist or physician who ordered the tests. ...Read more

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I am 24 year old suffering from kidney stone which obstructed in ureter confirmed by ultrasound exam is of 7-8 mm. Can it be pass without surgery?

I am 24 year old suffering from kidney stone which obstructed in ureter confirmed by ultrasound exam is of 7-8 mm. Can it be pass without surgery?

Possibly: Stone size is the major determinant of the likelihood of spontaneous stone passage. The location of the stone is also important. With stones larger than 4 mm in diameter, there is a progressive decrease in the spontaneous passage rate, which is unlikely with stones > 10 mm. Proximal ureteral stones are also less likely to pass on their own. ...Read more

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What is bilateral nephrolithiasis?

What is bilateral nephrolithiasis?

Stones both kidneys: Bilateral means "both sides:" stones in both kidneys. ...Read more

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I have nonobstucting left nephrolithiasis. What can I expect?

I have nonobstucting left nephrolithiasis. What can I expect?

Depends on Size: The size of the stone determines if treatment is needed, as well as what approach. Stones in the kidney >2.5 cm usually need surgery through a keyhole incision in the back (pcnl). Smaller stones (but >4 mm) in the kidney may need eswl (sound waves) or a direct look through the ureter (ureteroscopy) with laser break up. Often stones can be observed by xray, intervening only when painful. ...Read more

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I have several nonobstructing nephrolithiasis, largest is 3.5 mm. Should I worry? How long in furture till they start hurting? I have pain medicine

I have several nonobstructing nephrolithiasis, largest is 3.5 mm. Should I worry? How long in furture till they start hurting? I have pain medicine

Needs follow-up: At this point it sounds like the stones are still in the kidney. They should not cause pain unless they start moving down the kidney tube (ureter). Good news is largest stone is 3.5 mm which should be passable. Would see urologist to follow stones and do tests to see why you are forming them ...Read more

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What is the treatment for nephrolithiasis?

What is the treatment for nephrolithiasis?

Orthophosphoric acid: Orthophosphoric acid helps ease kidney stone pain dosage is 40mg (30drops) supplied by biotics as superphosphozyme. ...Read more

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A patient has been diagnosed with nephrocalcinosis but is suffering from nephrolithiasis.?

Stone formers: Nephrolithiasis means kidney stones.Nephrocalcinosis is a condition of depositing calcium into the tissue/collecting systems/tubules of either the cortex (outer portion) or medulla (inner portion) of the kidney - this can lead to stone formation. Corticol and medullary nephrocalcinosis have different mechanisms/causes and are associated with different physiologic/anatomic conditions (eg msk). ...Read more

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What is renal cyst with nephrolithiasis? Is it dangerous? Do I have to undergo operation?

What is renal cyst with nephrolithiasis? Is it dangerous? Do I have to undergo operation?

Cyst and stone: This is not dangerous but can cause symptoms and bleeding; operation not essential; ask your doctor if more than one cyst is present; ask if stone is part of cyst or separate; ask if more than one stone exists; then ask for 24 hour urine analysis to assess chemistry of urine - to determine why stone formed. ...Read more

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On a recent us it came back as hydronephrosis and no nephrolithiasis or focal renal parenchymal lesion mean in the right kidney. What does this mean?

On a recent us it came back as hydronephrosis and no nephrolithiasis or focal renal parenchymal lesion mean in the right kidney. What does this mean?

? kidney infection: Hydronephrosis is a condition of expansion of the internal areas of the kidney that hold urine. This is seen with a blockage of the system, an infection or sometimes as a normal variant. When it is on one side, with your symptoms, it is likely due to kidney infection. You should be on antibiotics if you are not already. Please see your doctor right away if you are not. ...Read more

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On a recent sonogram, I was diagnoed with mild hydronephrosis and then the next sentence said no hydronephrosis or nephrolithiasis or focal parenchyma?

Ask: Are you sure it was not "mild hydronephrosis"for one side and"no hydronephrosis"for the other? If there is mild hydro then no hydro may be a typographic error. The side with no stones will have no hydro. It is best to check with the doctor who ordered the study who can always call the radiologist who dictated the report and talk to her or him. Best wishes. ...Read more

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I have nephrolithiasis (4, 9, 10 mm) in the two kidneys after lithotripsy. The last abdominal sonogram confirmed this. Is required other study (kub)?

I have nephrolithiasis (4, 9, 10 mm) in the two kidneys after lithotripsy. The last abdominal sonogram confirmed this. Is required other study (kub)?

KUB: If your stones are visible on a kub x-ray, this is the easiest most accurate way to follow the course of the stones as they hopefully pass after lithotripsy. Some stones do not show up on kub well, however ultrasound evaluation for specific location of stones can be a bit nebulous at times. Your treating urologist will certainly have recommendations for what study is best for you. ...Read more

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Symptoms, flank & side pain (intermittent), bubbles & wbc in urine. CT reports, punctate upp pole right nephrolithiasis. No obstruction. Urologist, wait?

ForeverBlowingBubbls: There are bubbles in the urine and then there are bubbles in the urine! I'll assume right now that those bubbles are just the usual foam. If not, you'll need a urologist pronto. Otherwise, if you don't have a lot of pain, or it is relieved easily with Motrin or Tylenol (acetaminophen) and the urine stays its usual pretty yellow (ish) color then you can go on and hope it passes (which can get pretty painful) ...Read more

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Can non-obstructing kidney stone be painful?

Rarely: It's unlikely because stone pain comes from blockage of urine flow. Some stones can move in and out of an obstructing position and cause intermittent pain. ...Read more

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Does a non obstructing kidney stone still cause severe pain?

Does a non obstructing kidney stone still cause severe pain?

Kidney Stones: The pain that occurs as a result of kidney stones comes from one thing and that is obstruction. So, the answer to your question is no. Non-obstructing kidney stones can not be felt at all. However, a stone can sometimes move in and out of an obstructing position. Imaging studies may catch a previously obstructing stone when it is no longer causing blockage (obstruction). ...Read more

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Should a non obst. 11 mm kidney stone be removed?

Should a non obst. 11 mm kidney stone be removed?

1.1cm: Is a relatively large stone, and may lead to problems in the future, even though now it is non-obstructing. Discuss the risks/benefits with your Urologist in an informed decision making conversation/visit and decide the best option for your specific case. Good luck. ...Read more

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How long can a kidney stone remain non obstructive?

How long can a kidney stone remain non obstructive?

Indefinitely: A kidney stone can remain nonobstructive indefinitely. ...Read more

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Obstructing 4mm kidney stone & hydros. Symptoms gone 24 days, but no passage. Pain recurred yesterday & persistent. Same stone? Cause for concern?

Obstructing 4mm kidney stone & hydros. Symptoms gone 24 days, but no passage. Pain recurred yesterday & persistent. Same stone? Cause for concern?

Kidney stone: You need to see your doctor. Stones are tricky and unpredictable. They can also have serious complications so get an appointment with your doctor very soon and have this checked out. ...Read more

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Obstructive and non-obstructive kidney stones?

Obstructive and non-obstructive kidney stones?

See below: Nonobstructive kidney stones are those that sit inside the kidney. When they move around and go into the ureters is when they become obstructive, and are more likely to cause problems. ...Read more

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I have kidney stones for 4months now, it's non blocking, what should I do?

I have kidney stones for 4months now, it's non blocking, what should I do?

Pain?: Are you having pain? Most kidneys stones will eventually pass on their own with increased water consumption. If you are not having symptoms, then don`t worry about it. Rarely, painful or "blocking" kidney stones require minimally invasive surgery or lithotripsy. Be sure to keep yourself hydrated with water. ...Read more

Kidney Stones (Definition)

Small, hard mineral deposits made of minerals and acid salts that form inside your kidneys. They can be extremely painful until they pass or are ...Read more


Dr. Rex Mahnensmith
697 Doctors shared insights

Nephrolithiasis (Definition)

This means ...Read more