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Doctor insights on: What Does An Ultrasound Show That A Ct Cant

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What can a CT scan show that an ultrasound can't show?

What can a CT scan show that an ultrasound can't show?

Better details: The resolution, details shown, on ct is more effective than that of ultrasound. Ultrasound shows liquids e.g. Cysts and effusion better and is cheaper but in obese patients ultrasound has limited penetration. Accordingly, ultrasound, in these patients, is usually replaced by ct that views fatty tissues better and penetrates as deep as needed for better resolution. ...Read more

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Dr. Michael Gabor
2,190 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 happens if neither ultrasound or CT show the gallbladder as the cause of my symptoms?

CCK stimulated: Hida scan can show abnormal function of the gallbladder, even when ultrasound and ct scan do not show gallstones. Consult with your GI specialist, because further testing would depend on your symptoms. ...Read more

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What will a ct/mri or ultrasound (us) show?

What will a ct/mri or ultrasound (us) show?

More info: Each imaging modality can be optimized to help learn more about diseases and help answer questions your for your doctor and you. For example, ultrasound is good at looking at the gallbladder; ct can show bleeding in the brain; MRI can show an acute stroke or find masses in the liver. ...Read more

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Will a hernia definitely show on an ultrasound or a CT with contrast?

Images of the body: Ultrasound, ct, and MRI are three different types of imaging procedures which allow the radiologist see what's going on in your body. Each modality has it's own strengths, weaknesses, and indications. The best use of each is guided by the radiologist. The radiologist interprets at the images and provides a report to your doctor. ...Read more

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Will appendix fecalith shows in ultrasound because the recent showed no previous with CT showed yes?

Will appendix fecalith shows in ultrasound because the recent showed no previous with CT showed yes?

Less sensutive: A ct is like a high definition tv, wide screen. Ultrasound onus equivalent to 13-inch black and white tv with tinfoil on the rabbit ears. Ultrasound can pick up an enlarged appendix and inflammation. Not as sensitive for things like appendicilith a. ...Read more

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Can you still have stones if CT and ultrasound didn't didn't show any in the gallbladder? Mine is functioning at 9%.. Is pain the same?

Can you still have stones if CT and ultrasound didn't didn't show any in the gallbladder? Mine is functioning at 9%.. Is pain the same?

Biliary Dyskinesia: Ct is not the best study for detecting gallstones. Even an ultrasound, which is the best non-invasive study for detecting gallstones, can sometimes miss stones which are impacted in the neck of the gallbladder. A gallbladder ejection fraction of 9% is abnormal (normal is 35% and greater). It is likely that your symptoms are from gallbladder dysfunction. ...Read more

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My dr thinks my cancer might be back. Going to send me for an ultrasound. Will that show the cancer? I've always had ct's in the past.

My dr thinks my cancer might be back. Going to send me for an ultrasound. Will that show the cancer? I've always had ct's in the past.

May hold true: recurrent and metastatic disease is common problem with malignancies. When matrix metalloproteinase develops it produces small e-cadherin inducing spread of tumor. Depending on the type of lesion one looks for lung, liver, bone and other areas.. The most effective study is the PET/CAT that will demonstrate most sites of spread.for potential therapy. ...Read more

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What can a pelvic CT scan show that an ultrasound doesnt?

What can a pelvic CT scan show that an ultrasound doesnt?

A few things: Better look at bowel, enlarged lymph nodes, areas of infection, and all the bones. Also better characterizes many abnormalities seen on ultrasound. ...Read more

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Ultrasound said I had an loop bowel but CT scan didn't show it up,I'm in content pain please help?

Ultrasound said I had an loop bowel but CT scan didn't show it up,I'm in content pain please help?

I'm not: sure I understand the question. Did the ultrasound show a hernia that was not seen on CT? Otherwise, an ultrasound report might mention a loop of bowel that technically interferes with the scan, but is otherwise normal and wouldn't be mentioned on a CT report. ...Read more

Dr. Marvin Ott
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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