MRI Image of Brain With Contrast

miklJuly 24, 2016
10 images
You may be asked not to eat or drink anything for 4 to 6 hours before the scan. Tell your doctor if you are afraid of close spaces (have claustrophobia). You may receive medicine to help you feel sleepy and less anxious. Or your doctor may suggest an “open” MRI, in which the machine is […]

MRI Dorsal Spine with Contrast

miklJuly 24, 2016
9 images
An MRI exam causes no pain. You will need to lie still as too much movement can blur MRI images and cause errors. The table may be hard or cold, but you can ask for a blanket or pillow. The machine makes loud thumping and humming noises when turned on. You can wear ear plugs […]

MRI Contrast Brain Tumor

miklJuly 23, 2016
7 images
FMRI is used to determine the specific location of the brain where a certain function, such as speech or motor function, occurs. During functional resonance imaging of the brain, the patient is asked to perform a specific task, such as recite the Pledge of Allegiance, while the scan is being done. By pinpointing the exact […]

MRI Cervical Spine When to Use Contrast

miklJuly 23, 2016
9 images
Consensus criteria are needed to define and classify spinal stenosis. The means by which spinal stenosis is diagnosed is also changing. Recent concerns related to radiation risk of CT scans and the recognized limitations of spinal radiography suggest that MRI represents the best imaging modality in many cases. MRI helps to avoid myelography and the […]

MRI Cervical Spine Contrast

miklJuly 23, 2016
10 images
An MRI is a test that uses a magnetic field and pulses of radio wave energy to make pictures of the spine. In many cases, an MRI gives different information than an X-ray, an ultrasound, or a CT scan. An MRI also may show problems that cannot be seen with other imaging tests. For an […]

MRI Brain Without Contrast Side Effects

miklJuly 23, 2016
10 images
The MRI machine is a large, cylindrical (tube-shaped) machine that creates a strong magnetic field around the patient. The magnetic field, along with radio waves, alters the hydrogen atoms’ natural alignment in the body. Pulses of radio waves sent from a scanner knock the nuclei in your atoms out of their normal position. As the […]

MRI Brain With Contrast vs MRA

miklJuly 23, 2016
8 images
An MRA, or magnetic resonance angiogram, is a type of MRI scan that uses MRI’s magnetic fields and radio waves to produce pictures of blood vessels inside the body, allowing doctors to locate problems that may cause reduced blood flow. An MRI, or magnetic resonance imaging, is the technology behind an MRA, and it is […]

MRI Brain With Contrast or Without Contrast

miklJuly 23, 2016
10 images
Magnetic resonance imaging (MRI) of the head uses a powerful magnetic field, radio waves and a computer to produce detailed pictures of the brain and other cranial structures that are clearer and more detailed than other imaging methods. This exam does not use ionizing radiation and may require an injection of a contrast material called […]

MRI Brain With Contrast Multiple Sclerosis

miklJuly 23, 2016
9 images
Multiple sclerosis (MS) is a disease in which the body’s immune system attacks the protective covering surrounding the nerves of the central nervous system. Magnetic resonance imaging (MRI) can reveal telltale scars (lesions) on the brain or spinal cord. There’s no single definitive test for MS. Diagnosis is based on symptoms, clinical evaluation, and a […]

MRI Brain White Contrast

miklJuly 23, 2016
10 images
Structural MRI provides information to qualitatively and quantitatively describe the shape, size, and integrity of gray and white matter structures in the brain. Broadly speaking, MRI signal varies across tissue types because gray matter contains more cell bodies (e.g., neurons and glial cells) than white matter, which is primarily composed of long-range nerve fibers (myelinated […]