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Doctor insights on: Is It Possible To See Kidney Stone With Mri Or Ct Scan

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Is it possible to see kidney stone with MRI or CT scan?

Is it possible to see kidney stone with MRI or CT scan?

Yes: Noncontrast ct is the most sensitive and specific noninvasive exam for finding kidney stones. Mri (more specifically mr urogram) may find them, as well, but it is less common to order this test. ...Read more

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Dr. Abraham Jaskiel
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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


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Should i contact a different doctor for adrenal mass went to a urologist after a CT scan for kidney stones showed an adrenal mass. Urologist sent me for a MRI and had me do a 24 hour urine test to see why i had kidney stones. I am more worried about the

Should i contact a different doctor for adrenal mass went to a urologist after a CT scan for kidney stones showed an adrenal mass.  Urologist sent me for a MRI and had me do a 24 hour urine test to see why i had kidney stones.  I am more worried about the

The most common: Adrenal mass seen in about 15% of patients is an adrenal adenoma which is a benign tumor. It is easy to characterize on MRI because we can show there is fat in the tumor. This usually (94% accurate) means that the adrenal tumor is benign. But we make sure by following the tumor with additional MRI studies, which do not use harmful radiation. Ultrasound is not as accurate for followup. ...Read more

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Is it possible to continually make kidney stones without it being detected in a CT scan? Is an MRI of the kidney necessary?

MRI: is not good for detecting kidney stones. CT is the most sensitive imaging modality. If the CT is performed utilizing a special renal stone protocol, only the smallest(less than 1 mm or so) stones might not be visualized. ...Read more

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I have back pain, had CT scan, they sure it was kidney stone but couldn't see it, no pain after but today i do?

I have back pain, had CT scan, they sure it was kidney stone but couldn't see it, no pain after but today i do?

Follow up: There are often residual changes in the urinary tract soon after a stone passes. However, they should normalize in a few days or weeks. If you still have back pain, that usually means there are other reasons, that you need to discuss with your doctor. ...Read more

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How can a CT scan tell if you have a kidney stone or cancer or something else?

How can a CT scan tell if you have a kidney stone or cancer or something else?

It shows the kidney: The ct scan that is typically done to look for kidney stones is done without any intravenous contrast. Almost all stones show up easily on ct scan. Renal masses typically show on a non-contrasted ct but they may not be able to tell if it is a cancer or not. The ct also shows other organs in the abdomen and a mass or cancer may be visible on the study. ...Read more

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Went to the ER Friday night and they did a CT scan and said I am passing a kidney stone, how long is it usually before it passes?

Variable: Days or weeks. Size, location are relevant to passing. Some require intervention by lithotripsy, or surgery if nit passing with pain control and fluids. Also need to try to determine type, cause and prevention!! ...Read more

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Can I tell if kidney stone has transited from ureter to bladder by change in symptoms?CT scan shows a 4mm stone 1.5 CM from bladder.

Can I tell if kidney stone has transited from ureter to bladder by change in symptoms?CT scan shows a 4mm stone 1.5 CM from bladder.

See answer: The only true accurate means of determining whether a ureteral calculus has passed is to retrieve it by straining your urine. The chance of spontaneous passage of a 4mm stone ~50-60%. Onset of symptoms of urinary urgency, frequency, burning, voiding small volumes usually indicates the stone is at the UVJ (ureter meets bladder). The absence or disappearance of pain does not guarantee stone passage. ...Read more

Dr. Lois Freisleben-Cook
5 doctors shared insights

Mri (Definition)

Mri or magnetic resonance imaging is one of the more recently developed imaging modalities available to physicians. It uses powerful magnets to generate images. There is no ionizing radiation which is a major advantage over many other modalities. Mri is the best imaging exam that we have for most soft tissue and joint related problems. There are radiologists ...Read more


Dr. Michael Korona
1,791 doctors shared insights

Ct Scan (Definition)

Ct scan uses data from a beam of xrays and reconstructs a cross sectional image of your body. It is a high dose of xrays and used only when the benefits outweigh the risk. Cancer risk is 1 in 500 in children. Also using iodinated contrast might cause transient renal failure in about 5% of patients. (contrast induced nepropathy) most do not explain this to the patient as ...Read more