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Doctor insights on: What Could Cause Recurrent Flank Pain If Ct Scan Is Negative For Stones And Urine Test Is Negative For Infection Dip Was Positive For Blood

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What could cause recurrent flank pain if CT scan is negative for stones and urine test is negative for infection. Dip was positive for blood?

What could cause recurrent flank pain if CT scan is negative for stones and urine test is negative for infection. Dip was positive for blood?

?Hypercalcuria: Negative ct scan has almost definitely ruled kidney tumor, stones or obstruction. Combination of flank pain and blood in the urine could be indicative of hypercalcuria. Xs calcium is present in the urine and calcium crystals can obstruct the kiney nephrons (tiny kidney tubules) and cause pain. 24 hour calcium excretion should be < 300 mg or < 4mg/kg/24 hours. ...Read more

Urine (Definition)

Urine is the product of the kidneys, which is produced to eliminate the waste products of metabolism, manage body fluid balance, &maintain acid-base balance. The blood is first filtered by the kidneys, and the composition of the resulting fluid is then altered depending on the body's needs. It is composed of mostly water, and breakdown products from blood cells impart ...Read more


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My wife is 51 and very healthy non-smoker. She has had extreme fatigue, blood in urine, localized left flank pain. Ct scan was neg for kidney stones?

My wife is 51 and very healthy non-smoker. She has had extreme fatigue, blood in urine, localized left flank pain. Ct scan was neg for kidney stones?

Infection or tumor: The most likely reason is infection of the kidney... Your doctor will check the urine and prescribe antibiotics. A less likely reason is a tumor in the kidney or nearby. This may need an urologists help. It could still be a kidney stone that was not seen on the ct, which also needs an urologists help. ...Read more

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Have pain every time I urinate, test negative for infections. I have UTI symptoms, flank pain, history of kidney stones but no blood in urine, help?!

Have pain every time I urinate, test negative for infections. I have UTI symptoms, flank pain, history of kidney stones but no blood in urine, help?!

May still be a UTI: Usually, pain on urination (dysuria) is a symptom of a UTI from which the offending bacteria can be grown from the urine. Less commonly dysuria can occur from the irritation of passing a kidney stone alone (i.e. Not an uti). In other situations, the laboratory can't isolate the microbe because it's too difficult to grow in culture (e.g. Chlamydia)- in that case, you may still actually have an uti. ...Read more

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Dr. Found white blood cells in urine under microscope. Dip and culture tests normal. Neg for infection or bac. Ct scan was normal. No stones.?

Dr. Found white blood cells in urine under microscope. Dip and culture tests normal. Neg for infection or bac.
Ct scan was normal. No stones.?

Several causes: Ok. White cells in your urine indicates your kidneys/ureters or bladder is inflamed. All inflammation does not necessarily mean bacterial infection. Viruses can cause this too. Now. A ct scan. A ct scan will only show "stones" if they are calcium or mineral based. Cholesterol stones will not show up like this. Interstitial cystitis can also be present exactly as you've described. ...Read more

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Having low back pain on one side, went to dr, urine test + for blood & high protein levels, CT scan for stones neg. Father died at 46 of renal ca.

See details.: The ct scan would have shown evidence of a renal cell carcinoma so that is ruled out. The high protein is indicative of significant kidney inflammation. I would suggest seeing a nephrologist (kidney specialist) for an opinion. ...Read more

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Left flank pain after bending over I went to the ER before and got morphine because it was so bad, they found nothing after urine, blood and cat scan?

Left flank pain after bending over I went to the ER before and got morphine because it was so bad, they found nothing after urine, blood and cat scan?

See below: Since the act of bending over provoked the pain this may musculoskeletal in nature. Bending over can put pressure on spine causing a strained muscle or even a herniated disc. Pain in the left flank would suggest injury to a thoracic or upper lumbar vertebrae. If all your other labs check out ok consider seeing a physiatrist or orthopedist for further evaluation. ...Read more

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Right flank pain with blood in urine cat scan?

Right flank pain with blood in urine cat scan?

Yes: If you have right flank pain and you have blood in the urine- you should have some evaluation done. In addition to the urine and blood test, a ct scan of the pelvic is one of the tests that you should have- to find out the explanation of your symptoms. There are different things that can give you symptoms like that including infection, kidney stones, mass etc. ...Read more

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I went to doc with lower back pain and they ordered a urine test and found blood. They want to do a CT scan but the pain is gone do I still need it?

I went to doc with lower back pain and they ordered a urine test and found blood. They want to do a CT scan but the pain is gone do I still need it?

Yes: Though the most common thing that the public associates with blood in urine and back pain is kidney stones, there are other possibilities, some of which are major medical concerns. If you have ever been a smoker, there is the possibility of either kidney cancer, bladder cancer or retained stones that are asymptomatic. Kidney cysts can also cause this, and sometimes require surgery. Yes to CT scan. ...Read more

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I have right side pain very tired feels like kidney stone CT scan none gallbladder taken out as well. But really does sometimes feel like it blood urine?

I have right side pain very tired feels like kidney stone CT scan none gallbladder taken out as well. But really does sometimes feel like it blood urine?

Can't feel blood ...: In urine, but can see it (grossly), or get tested for it (dipstick test), or seen under the microscope. Can't tell here what you have, might not be urinary, could be GI or gyn. Ct for kidney stone is often without contrast, so other details may not show up. Follow up with md. ...Read more

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I have had extreme right flank and back pain for 2 days went to my Dr blood in urine ct scan results a 1.5 stone on left, why is right sidehurtingsobad?

I have had extreme right flank and back pain for 2 days went to my Dr blood in urine ct scan results a 1.5 stone on left, why is right sidehurtingsobad?

Kidney stone pain: F of unknown age and unknown history of renal stones notes; I have had extreme right flank and back pain for 2 days went to my Dr blood in urine ct scan results a 1.5 stone on left, why is right sidehurtingsobad? ANS: CT read on wrong side? Stone on R passed? Some stones cannot be seen on CT-if your stone is one of these kinds U may have R one causing pain. ...Read more

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CT scan at ER showed 4mm kidney stone just left kidney. 3 days later no blood in urine no problems urinating. Severe pain still only in lower back.

CT scan at ER showed 4mm kidney stone just left kidney. 3 days later no blood in urine no problems urinating. Severe pain still only in lower back.

Drink fluids lots: May had another small fragment stuck at ureter or same one on CT moving,have to see a urologist, may need a procedure to pass the stone after initial observation. ...Read more

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10 yrs ago pap smear showed hpv. All paps normal since. Now urine pos leukocytes, catheterized sample & CT scan neg, some flank pain. Could it be hpv?

Unlikely: Hpv does not cause leukocytes in the urine nor flank pain. Most hpv infections are cleared by the immune system and 10 years of normal pap smears is a good sign. Speak with your doctor. ...Read more

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Struggling with diagnosis-help? Chronic severe flank pain 4mth, bloods ok except low vitd, wee test high white blood cells/protein/blood. Ct scan ok.

Struggling with diagnosis-help? Chronic severe flank pain 4mth, bloods ok except low vitd, wee test high white blood cells/protein/blood. Ct scan ok.

Needs more tests: If you have an abnormal urine test, a cystoscopy and retrograde pyelogram can find out if there is any abnormality in the kidney. Ct is not enough especially if done without IV contrast. ...Read more

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Left flank pain for one month. No injury. Tender to touch. Can't lay on left side. Cmp blood test was good. Psa .49 dr said probably muscular. Ct scan of abdomen ok. What are other possibilities?

Left flank pain for one month. No injury. Tender to touch. Can't lay on left side. Cmp blood test was good. Psa .49 dr said probably muscular. Ct scan of abdomen ok. What are other possibilities?

CT scan does not: CT scan does not show the bowels very well. I suspect the pain to be either muscular or coming from your bowels. So if it does not settle down soon, you would be best helped by a gastroenterologist who can check your bowels for any ailments affecting your small or large intestine. ...Read more

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I have wet the bed 4 xs in the past few months. Last time was after severe rt flank pain and bloody urine. CT shows stone in rt kidney. What can cause?

See remark: The Rt flank pain is most likely from the Rt. kidney stone
Wetting the bed could be due to infection. Please consult with a urologist, the stone in the kidney will eventually grow larger and may cause problems. Take care of yourself ;you are still young ...Read more

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Is blood in urine 7mm3 worrisome for a 65 years old woman? Urine test, culture, CT scan of bladder, all came out negative.wha t else could it be?

Is blood in urine 7mm3 worrisome for a 65 years old woman? Urine test, culture, CT scan of bladder, all came out negative.wha
t else could it be?

Hematuria: The work up should inculde an Urinalysis with C&S, CT Urogram (to assess the whole collecting system including the kidneys and ureters and bladder and Urethra), and finally a Cystoscopy which will asses the superior aspect of the Bladder that may not be completely visualized on the CT Urogram. If all these tests come back normal, may be simple irritation of the urethra or somewhere else to monitor. ...Read more

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I have microscopic blood in my urine now for a year. I also have flank pain. CT was normal. What can cause this?

Multiple causes: Low grade infection, bladder inflammation, hormonal issues, vigorous sexual activity/manipulation. Bladder A-V malformation. I would suggest an urology consultation since this is now a longstanding condition and may require cystoscopy. ...Read more

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Can high calcium and potassium in blood taken 4 days after contrast CT scan be caused by the contrast? Normal creatine and urine test

Can high calcium and potassium in blood taken 4 days after contrast CT scan be caused by the contrast? Normal creatine and urine test

Yes: Newer contrast today withnon-ionic iodonated contrast has less potential for side effects compared to the older generation of contrast. However, contrast-induced nephropathy can occur within anywhere from 1-5 days, with incidence of 0-40% depending on your risk factors, such as pre-existing diabetes, metformin usage. Potassium and calcium levels can increase due to decreased kidney function. ...Read more

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I've had 4mm kidney stone (per xray) causing flank pain for 1 month. My pcp won't refer me to urologist w/out CT scan but I don't want the radiation.?

I've had 4mm kidney stone (per xray) causing flank pain for 1 month. My pcp won't refer me to urologist w/out CT scan but I don't want the radiation.?

You have good point: Yes your are right, speak to PCP again may refer you to urologist. Unfortunately that stone was there for 1 month Yes CT with contrast will give negligible radiation but gives valuable information in managing your case, location, reason why it got stuck for 1 month, status of ureter, need for intervention etc ...Read more

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Friday Went to an urgent care w/ right side and flank pain. Diagnosised w/ pyelonephritis. Ct scan done and no stones present, got cipro-still in pain?

Friday Went to an urgent care w/ right side and flank pain. Diagnosised w/ pyelonephritis. Ct scan done and no stones present, got cipro-still in pain?

Few days feel better: Signs and symptoms of a kidney infection begin to clear up within a few days of treatment. Continue antibiotics for a week or longer. If pain and symptoms persist may be complication such as abscess. Severe pyelonephritis can require IV antibiotics and hospitalization. ...Read more

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History of kidney stones. Intermittent flank pain and pain below rib cage. No UTI symptoms, but home urine test showed 500+ leukocyte and no nitrate?

History of kidney stones.  Intermittent flank pain and pain below rib cage.  No UTI symptoms, but home urine test showed 500+ leukocyte and no nitrate?

Renal colic?: While technically speaking we should keep our mind open to other possibilities for your symptoms, they could be consistent with a passing kidney stone. The leukocytes could be suggestive of resultant inflammation. ...Read more

Dr. Jeffrey Wint
1 doctor shared a insight

Computed Tomography (Definition)

Ct uses xrays taken an 360 degrees combined with a computer to see"inside" the body. The table moves as the xray tube and detectors spin around the patient 10 times a second or more! the image shows excellent soft tissue detail, enhanced with injection of intravenous contrast or oral contrast. This way the body is shown in slices, in any plane, usually axially, but ...Read more


Dr. Gregory Moneta
9 doctors shared insights

Infection (Definition)

Infections are invasions of some other organism (fungus, bacteria, parasite) or viruses into places where they do not belong. For instance, we have normal gut bacteria that live within us without causing problems; however, when those penetrate the bowel wall and enter the bloodstream, ...Read more