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Doctor insights on: Mr Urogram With And Without Contrast

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Head CT with and without contrast - what does the contrast help reveal?

Head CT with and without contrast - what does the contrast help reveal?

Highlights: The contrast will flow through the blood stream and highlight structures providing additional information and definition. ...Read more

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What organs will a chest CT scan show with and without dye ?

What organs will a chest CT scan show with and without dye 
?

There are: different ways to perform a chest CT, depending on what your doctor is looking for. A "routine" CT will show lungs, mediastinum, aorta and great vessels, heart, ribs, upper abdomen, thoracic spine. ...Read more

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In ruling in or out cerebral aneurysm is mra study enogh or MRI with and without contrast is also needed with mra for better accuracy?

In ruling in or out cerebral aneurysm is mra study enogh or MRI with and without  contrast is also needed with mra for better accuracy?

Best tests: Cta and mra studies should readily demonstrate any significant aneurysm. If such a lesion is congenital and small, it may be missed, but ruptures tend to occur when larger than 0.9 mm, and the others would just be followed. If you possess uncontrolled high blood pressure, an acquired aneurysm, called charcot-bouchard, could result in hemorrhage, so watch your bp. ...Read more

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What can an abdominal CT scan with IV dye and barium sulfate solution find?

What can an abdominal CT scan with IV dye and barium sulfate solution find?

Many things: In general areas of abnormal growth such as a tumor or fluid cyst, or areas of swelling such as inflammation or infection. The intravenous contrast solution and swallowed barium help the radiologist identify and separate nearby structures and organs, and help to better visualize possible abnormalities. ...Read more

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What can an MRI with contrast show that an MRI without contrast cannot show?

Dr. Tony Ho Dr. Ho
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What can an MRI with contrast show that an MRI without contrast cannot show?

Enhancement: Contrast causes enhancement of certain structures, like abscesses, making them much easier to see. In addition, the differential diagnosis hinges sometimes on whether a structure enhances or not with contrast. ...Read more

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Can a pelvic/abdominal CT scan with barium and IV contrast detect back problems and sciatica?

Can a pelvic/abdominal CT scan with barium and IV contrast detect back problems and sciatica?

Some: The Radiologist will definitely be able to see your spine. The images from a CT of the abdomen are not formatted specifically to look at the spine however. The test of choice to evaluate sciatica is an MRI. ...Read more

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Does an abdominal CT scan with and without contrast have the same amount of radiation as two CT scans?

Does an abdominal CT scan with and without contrast have the same amount of radiation as two CT scans?

Yes: The ct scan will consist of at least 3 parts. A very low dose scan to show the anatomy and allow for planning of the full ct scan. The next scan is the "real" scan without contrast. Then there will be at least 1 scan with contrast, usually when the veins are most opacified, at about 70 seconds after the start of the injection. However, some contrast scans have multiple phases for some anatomy. ...Read more

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Does a contrast CT scan to view my kidney include both IV and oral contrast? Is this an abdominal CT scan or just renal/urinary?

Does a contrast CT scan to view my kidney include both IV and oral contrast? Is this an abdominal CT scan or just renal/urinary?

Depends: It depends on what the doctor has ordered and is looking for. No contrast will be used typically if the doctor is looking for kidney stones. If they are looking and the tissue of the kidneys directly, IV contrast will be used. Generally oral contrast is not used when looking for kidney pathology. Your scan will also show the neighboring abdominal organs. ...Read more

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Is a CT scan without ivp dye as accurate as a CT scan with ivp dye of the abdomen? I have anaphylaxis to the dye.

Is a CT scan without ivp dye as accurate as a CT scan with ivp dye of the abdomen? I have anaphylaxis to the dye.

See answer: Contrast (dye) adds additional characterization of soft tissues, vascular structures, and the urinary collecting system. Ct with contrast (if your dr. Feels the risks of a prophylactic steroid prep and a hospital based exam outweigh the risks) is an option or more safely, consider MRI or possibly an ultrasound. ...Read more

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Why would dr order an MRI with and without contrast all at once? Wouldn't one MRI with contrast be sufficient ?

Why would dr order an MRI with and without contrast all at once?  Wouldn't one MRI with contrast be sufficient ?

MRI unlocked: As a routine when obtaining an MRI with contrast we obtain contrast images prior to contrast administration so it can be determined what is enhancing. Routine contrast exams are always ordered without and with contrast. Noncontrast exams are ordered non contrast, and only supplemental followup to an incomplete exam would only be ordered with contrast. ...Read more

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Can inflammatory arthritis show up on mri without contrast or is contrast needed?

Can inflammatory arthritis show up on mri without contrast or is contrast needed?

Varies: An MRI is a structural test and show structural changes that can occur in advanced inflammatory arthritis that has structural changes such as cartilage loss, it can also show an inflammatory pannus as well. These findings can be seen in a study without contrast. Contrast can be used in specific cases when more information is needed. Inflammatory arthritis is often first diagnosed with bloodwork ...Read more

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Abdominal CT scan with oral contrast. What will this show?

Abdominal CT scan with oral contrast. What will this show?

Several things: Can be seen on ct scan. The oral contrast helps deliniate some of the intestinal findings. Other organs are also seen such as liver, pancreas, gallbladder, aorta, lymph nodes, kidneys, urinary bladder, uterus or prostate, vertebral column, etc. Some structures are seen better than others. ...Read more

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Can MRI without contrast diagnose stroke or is CT better?

Can MRI without contrast diagnose stroke or is CT better?

MRI: Both studies are commonly used in the early evaluation of stroke. A ct can rule out a hemorrhagic stroke quickly in the er. A MRI is more sensitive for a ischemic stroke but takes longer to perform. ...Read more

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Would Megacolon be seen on abdominal/pelvic CT scan with contrast and barium sulfate?

Would Megacolon be seen on abdominal/pelvic CT scan with contrast and barium sulfate?

Yes, ...: Megacolon is suspected in patients with constipation of very long duration, abdominal bloating +/- pain, palpable fecal mass; this is chronic. At times, it can be acute & toxic. Imaging studies of CT scan with/without contrast + barium sulfate confirmed the diagnosis. For future events of health concern, follow the instruction in articles listed in http://www.formefirst.com/onDealSickness.html. ...Read more

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What would be the point of ordering a thoracic MRI without contrast versus with contrast?

What would be the point of ordering a thoracic MRI without contrast versus with contrast?

MRI w/w/out Contrast: MRI uses magnetic fields to form images in the body and term with and without contrast comprises the series of films of the MRI. The study is performed with contrast in event there is need for specific differentiation of tumor from other structures, find smaller lesions, and see dynamic assessment of lesion (how active). ...Read more

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Could you see abdominal adhesions with a CT scan with contrast and IV injection?

Could you see abdominal adhesions with a CT scan with contrast and IV injection?

Large : Adhesions are sometimes seen. Usually what is seen is the effect the adhesion is having on the intestine. Sometimes they are not detected until found at surgery. ...Read more

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Non contrast MRI was clear. No tumor or other issues found. Should I request an MRI with contrast or would the non contrast show issues?

Non contrast MRI was clear. No tumor or other issues found. Should I request an MRI with contrast or would the non contrast show issues?

Whi MRI in first pal: You need to tell us about your general condition as to why was the MRI done in the first place? Contrast is often used but it only enhances to show a lesion better. Most serious abnormalities will show up on MRI even without the use of contrast. Yet if your symptoms persist, a repeat MRI with Contrast may be necessary. What was your main symptom to do a MRI??? ...Read more