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Doctor insights on: How Accurate Are Mri Scans

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How accurate are MRI scans?

How accurate are MRI scans?

Variable accurancy: The accuracy of MRI depends a great deal on the person who is being scanned being able to hold still during the scan. Motion artifact is the most common artifact that decreases the accuracy of an MRI. The overall accuracy also depends on if the right type of MRI is ordered and if contrast is used where needed. ...Read more

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Dr. Lydia Collins
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


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I want to make an MRI scan but iam afraid of my body movments what shall I do taking sleeping pills or anti anixtey pills i want accurate images ?

I want to make an MRI scan but iam afraid of my body movments what shall I do taking sleeping pills or anti anixtey pills i want accurate images ?

Check with doctor: A standard MRI scan of either the head, neck, or portion of the spine should take no more than 35 to 45 minutes to complete from the time you get in the scanner to the time you get out. The technologists will usually tell you if you are moving too much or not. But if you are worried about this speak to your doctor about medications to get through the study without extraneous movements. ...Read more

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Does a MRI scan rule out diagnoses of a CT scan? If a CT scan says one thing and MRI says another which is accurate?

Does a MRI scan rule out diagnoses of a CT scan? If a CT scan says one thing and MRI says another which is accurate?

MRI and CT of what?: There are too many unknown variables in this question. Mri and ct of what organ? Brain? Knee? Shoulder? Spine? What were the findings in one scan versus the other scan? ...Read more

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Can MRI scan of lungs detect cancer accurately? Or whether nodule is caused by an infection , can it detect nature of infection without broncoscopy

Can MRI scan of lungs detect cancer accurately? Or whether nodule is caused by an infection , can it  detect nature of infection without broncoscopy

Limited: Radiology studies are designed to identify the presence of a mass. While it can suggest the nature of the mass, it cannot give a positive diagnosis. Once the mass is seen, this needs to be followed by a procedure to obtain a diagnosis. ...Read more

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Could brain MRI scans an accurate evidence for typical mental illness such as dementia, schizophrenia?

Could brain MRI scans an accurate evidence for typical mental illness such as dementia, schizophrenia?

Brain imaging scans: Are an impressive tool to help us identify certain anatomical lesions in the brain and can help us identify certain diseases, such as multiple sclerosis, tumors, large strokes, and subdural hematoma's. Some of those conditions can cause dementia. Most of the time an MRI or cat scan is used to rule out underlying reversible causes of dementia. A scan such as a pet scan can be a more sens tool. ...Read more

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What information does an mri scan give?

Details: An MRI provides a very detailed picture of the soft tissue. Because the soft tissue of muscle is different that the soft tissue of the bowels, which is different than the soft tissue of the blood vessels, etc., an MRI delineates all these different tissues very distinctly. ...Read more

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Have a MRI scan to go to am well sacred what can I do to be relax?

Have a MRI scan to go to am well sacred what can I do to be relax?

Don't worry: Many people get scared about the mri. But there's nothing to worry about. It's not an x-ray so there's no radiation. However, it takes longer to scan, it's noisy, and the tube is smaller. So the main problem is claustrophobia. If you have that or suspect you may feel that, let your doctor or the radiologist know beforehand and they can give you a low dose sedative to help you relax. ...Read more

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Does an MRI scan hurt?

No : Like the name says, it is a scan. No scan hurts. It's just scanning you not touching you. ...Read more

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What is the difference between a pet and a MRI scan?

What is the difference between a pet and a MRI scan?

Very different: Pet is a technique for measuring concentrations of positron-emitting radiopharmaceuticals and presenting these as a metabolic image of the body. F18-fdg, a "radioactive sugar", is the most commonly used radiopharmaceutical in oncology. Mri uses a combination of a strong magnetic field and radio waves to produce anatomic images of the body without the use of radiation. ...Read more

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