Top 20 Doctor insights on: Can mri miss brain tumor

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Can MRI with contrast miss brain tumor?

Can MRI with contrast miss brain tumor?

Best test: An MRI with contrast is the best test to detect a brain tumor. If the MRI did not detect a brain tumor then it is likely either too small to see or there is no brain tumor. ...Read more

Dr. Andrew Berry
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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How can MRI on brain miss a brain tumor when two eye docs, 2 neruo, and 2neruosurgeon all say can't see tumor but there could be one starting and now have one avm in oct last year and one this June.

How can MRI on brain miss a brain tumor when two eye docs, 2 neruo, and 2neruosurgeon all say can't see tumor but there could be one starting and now have one avm in oct last year and one this June.

MRI scans: To see a tumor or AVM with MRI depends on many factors, including the size, shape, location, enhancement and secondary signs such as edema and changes in normal anatomy. A very small tumor in the right location can be easily seen, but even larger tumors cannot be seen until they change the anatomy of the rest of the brain or enhance. And very small tumors at times are not seen. Same for AVM. ...Read more

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Could a brain tumor be missed on an MRI with contrast I hade 8 months ago?

Could a brain tumor be missed on an MRI with contrast I hade 8 months ago?

Any symptoms?: Do you have any symptoms? Any test can have false negative results. Unneeded tests can produce false positive results.
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Could an MRI miss things such as a brain tumor, or brain cancer?

Could an MRI miss things such as a brain tumor, or brain cancer?

Possible, but unlike: Sure.....If it were very small - ie smaller than the slice thickness of the scans....But most brain tumors would show up on an mri...So not very likely. ...Read more

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Please tell me, could an MRI miss things such as a brain tumor, or brain cancer?

Please tell me, could an MRI miss things such as a brain tumor, or brain cancer?

MRI: Resolution is pretty good, so it can detect early lesions in brain. Other cancers could be picked up with pet scan. ...Read more

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I just wanted to know can MRI miss things such as a brain tumor, or brain cancer?

I just wanted to know can MRI miss things such as a brain tumor, or brain cancer?

Unlikely.: Always possible, but very low probability. Currently, MRI is the most sensitive imaging test of the head (particularly in the brain) in routine clinical practice. PET scans are another imaging modality that an oncologist can decide to perform if there is a high index of suspicion even after the negative MRI in some individualized cases. ...Read more

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I just wanted to know can MRI and a CT miss a brain tumor somehow?

I just wanted to know can MRI and a CT miss a brain tumor somehow?

Only if very small: If a tumor is very small, it is possible to miss.
A CT or MRI with contrast can be helpful ...Read more

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Would a Brain MRI W/O Contrast & a CT Scan with and W/O Contrast show a brain tumor causing symptoms? Worried that it could have been missed.

Would a Brain MRI W/O Contrast & a CT Scan with and W/O Contrast show a brain tumor causing symptoms? Worried that it could have been missed.

MRI: A MRI with contrast is sufficient to detect evidence of a brain tumor. If there is any question as to whether a brain tumor is present or not, one can opt to repeat the MRI of the brain with contrast three months after the last MRI brain was obtained. ...Read more

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Would a Brain MRI without Contrast & a CT Scan with and without Contrast show a brain tumor causing symptoms? Worried that it could have been missed.

Would a Brain MRI without Contrast & a CT Scan with and without Contrast show a brain tumor causing symptoms? Worried that it could have been missed.

No symptomatic tumor: It is a pretty safe bet that MRI together with contrast CT can exclude a symptomatic tumor (mass) in the head. That does not mean all causes of headache or neurologic complaint are seen. Only your practitioner can give more advice to "put your mind at ease" and further direct your diagnostic journey. ...Read more

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A MRI without dye show a brain tumor?

A MRI without dye show a brain tumor?

Yes: Yes a non-contrast MRI is pretty good for detecting a tumor in the brain, but using contrast "dye" improves the ability of an MRI to detect a small tumor. ...Read more

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Can an MRI tell if a brain tumor is benign or malignant?

Can an MRI tell if a brain tumor is benign or malignant?

Maybe, or not: Sometimes appearance is characteristic, sometimes not. Other imaging, including pet/ct can help differentiate. ...Read more

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Why do neurosurgeon say no to fix two small angionomas with lesion and they won't do MRI to see if it is a brain tumor starting live in Utah.

Why do neurosurgeon say no to fix two small angionomas with lesion and they won't do MRI to see if it is a brain tumor starting live in Utah.

Angiomas: Not every angioma needs an MRI or MRA to be evaluated. If there is a clear angioma on CT scan, and it is small, an MRI would probably not help. And in such a case, surgery could do more harm than good.

If the diagnosis is not certain, than an MRI or MRA can help determine what it is. Do you mean a cavernous hemangioma?

It should be removed only if it is deemed to be a risk. ...Read more

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MRI showed brain lesion... What will they do next? And can it be something seriouse. If it was a brain tumor would they have known from this MRI

MRI showed brain lesion... What will they do next? And can it be something seriouse. If it was a brain tumor would they have known from this MRI

It depends: The MRI is very good, but not perfect in identifying what the lesion is. The treatment will depend on what the MRI shows. If it is not clear, either it will be followed with serial MRIs or it will be biopsied. If it is known, it will be either followed or treated depending on what it is. Occasionally, it will be surgically removed. ...Read more

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Brain tumor found during mri, should I treat or not?

Brain tumor found during mri, should I treat or not?

Tumor type: This depends on tumor type, size and location. If the type of tumor is not clearly obvious on mri, biopsy or removal may be needed. If it is small and clearly benign, it may be feasible to follow it over time wit homer imaging. You'll need to talk to your doctor for more information. ...Read more

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What to do if I just got diagnosed with a brain tumor. Can I get a printout copy of my mri?

What to do if I just got diagnosed with a brain tumor. Can I get a printout copy of my mri?

Yes.: Your medical records belong to you. Contact the radiology department where your MRI was performed / interpreted and request a copy of the report. They can also provide you with either digital or paper pictures of key images from the study. ...Read more

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What to do if I just got diagnosed with a brain tumor. Is it possible to obtain a printout copy of my mri?

What to do if I just got diagnosed with a brain tumor. Is it possible to obtain a printout copy of my mri?

CDs: Are how many facilities supply copies of the patient's images (mri/ct etc). Some facilities still will supply 'hard' copies of your images upon request. ...Read more

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Neoplasms (Definition)

"tumor" literally translates as "mass", so even a fresh bruise could be called a "tumor". Doctors use the term "neoplasm" (tranlates literally as new growth) to describe tumors that are abnormal growths of cells. These may be benign or malignant; "malignant" = cancer. In everyday usage, we use "tumor" ...Read more


Dr. Henry Friedman
839 Doctors shared insights

Brain Tumor (Definition)

Can cause headaches, weakness, dizziness, seizures, and blurry vision. Also ...Read more