Doctor insights on:
Does Mri Show Cancer
Cancer is a group of diseases that is characterized by uncontrolled cell growth leading to invasion of surrounding tissues that spread to other parts of the body. Cancer can begin anywhere in the body and is usually related to one or more genetic mutations that allow normal cells to become malignant by interfering with internal cellular control mechanisms, such as programmed cell death or by preventing ...Read more
Depends: Mri is very good at showing abnormal tissue from normal tissues and can pick up various cancers very well. Some cancers, however, can be small and not well seen on mri. Some may be better seen on ct. Cancers involve in the stomach and colon are usually not well seen and may require endoscopy or colonscopy. Some breast cancers are also better seen on mammograms than mri. ...Read moreSee 1 more doctor answer
Alzheimer MRI: When a person has Alzheimers disease for a long time, there may be accelerated atrophy (shrinking) of the brain, inconsistent with their age, which may show up on MRI. At earlier stages of Alzheimers, the changes that are occurring happen within cells of the brain, and these are too small to be seen in a picture of the brain. The MRI is best for finding stroke, MS or other diseases. ...Read moreSee 1 more doctor answer
Think about it, Remy: Whatever would you do brain MRIs for if they didn't show "damage"? The difficulty here lies with your terminology. Brain "damage" is so vague as to be essentially meaningless. MANY disease processes can afflict the brain, & the MRI appearance of "damage" is distinctive depending on the kind of "damage" it is. Neuroradiologists interpret the "damage" all day long. I'm very grateful that they exist. ...Read more
Potentially: An mri of the abdomen shows the structures in the abdomen, and it would show a gastric cancer that is large enough to be detectable. In its very early stages, gastric cancer may be subtle enough to not be detected on mri. Don't hesitate to discuss directly with your gi Doctor. ...Read moreSee 1 more doctor answer
Usually: An MRI is probably the best way to detect a brain tumor in a patient who has symptoms or findings on a medical examination that suggests a brain tumor may exist. Getting an MRI if you are asymptomatic(have no medical issues) is unwarranted and should not be done. ...Read moreSee 2 more doctor answers
Usually yes: Although very small lesions may on occasion be missed, an area of transverse myelitis is usually very easy to identify. Might be tough to see in the first few hours of development, but the area of inflammation becomes very definite as the process proceeds. Spinal fluid analysis helps in explaining causation. ...Read more
MRI should: easily visualize a large tumor, but very small mucosal lesions may only be visualized endoscopically. So the answer is...sometimes. ...Read more
Glucose: Pet scan relies on the theory that tumors utilize a significant amount of glucose. Many different types of cancer can show up on pet scan but certain types of cancer are much more FDG avid. Low grade tumors usually have much less uptake than high grade tumors. In addition, mucinous neoplasms often do not have much FDG uptake. Small size tumors or micrometastases also may not show up on pet. ...Read moreSee 3 more doctor answers
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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