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Doctor insights on: Pet Scan Vs Mri Brain Cancer

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Could MRI or CT scan detect brain cancer?

Could MRI or CT scan detect brain cancer?

Sure: Mri would be the imaging test of choice, though often we start with a ct. Ultimately, you'll likely need a biopsy to prove it's a cancer. ...Read more

Dr. Barry Rosen
4,314 doctors shared insights

Cancer (Definition)

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


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Is it possible for MRI or CT scan to detect brain cancer?

Is it possible for MRI or CT scan to detect brain cancer?

Yes: A CT scan can detect a brain tumor, but will be better able to detect a tumor if it performed with IV contrast. Mri with contrast can detect very small tumors that may not be seen with a ct scan. ...Read more

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Please tell me, could MRI or CT scan detect brain cancer?

Please tell me, could MRI or CT scan detect brain cancer?

Yes: Any of those tests, particularly the mri, could detect cancer in the brain, be it one that started in the brain itself or one that came from elsewhere. Of course, no test is perfect and if the cancer is small enough, it might not be seen with either scan. ...Read more

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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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How accurate is non contrast mri at detecting brain cancer?

How accurate is non contrast mri at detecting brain cancer?

Not always accurate: The best imaging to detect brain contrast is an MRI with contrast. Cancers have blood supply so the contrast makes it easier to detect a tumor, especially a small one that otherwise may be difficult to identify. ...Read more

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He has already had an MRI done this is when they told him he has brain cancer and it isterminal my questio is what is terminal?

He has already had an MRI done this is when they told him he has brain cancer and it isterminal my questio is what is terminal?

Life is terminal: None of us get out alive. In this case the doctors must feel the cancer is not curable, and thus is highly likely to result in his demise. Focus on quality time, even if it may be limited. ...Read more

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My father was diagnosed with a brain tumor with tenticles in feb 2011. They gave him 5 years to live. He just had an mri. The doctor says the chemo is working well still with the brain cancer, but they found some lumps in his brain. What do lumps in the

My father was diagnosed with a brain tumor with tenticles in feb 2011. They gave him 5 years to live. He just had an mri. The doctor says the chemo is working well still with the brain cancer, but they found some lumps in his brain.  What do lumps in the

Probably tumor: It is hard to understand your question. If there are new 'lumps' in the brain as seen with mri, these would likely be interpreted as progressive tumor, and one would not suggest the chemotherapy is working well. You need to ask for a detailed explanationfrom the doctors, or perhaps seek second opinions. ...Read more

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How much radio activity causes cancer bc I have had several ct, scans MRI eegs pet scans a EKG and a heart echogram plus 3 brain resections?

How much radio activity causes cancer bc I have had several ct, scans MRI eegs pet scans a EKG and a heart echogram plus 3 brain resections?

Alot: Not enough space for the best answer, but this same question was asked a year or so ago on the web, and the best answer can be found at the following link: http://answers.Yahoo.Com/question/index?Qid=20120922043341aa2koio ...And do not forget, mri's, eegs, ultrasounds, and ekg's have no radiation. ...Read more

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Will an MRI scan show up any form of cancer, bacterial or viral infection? Mri - brain, spine & pelvis. Had pnuemonia. Can't find infection. Autoimmu?

Will an MRI scan show up any form of cancer, bacterial or viral infection? Mri - brain, spine & pelvis. Had pnuemonia. Can't find infection. Autoimmu?

Not that likely: I think you are putting too much faith in MRI scans while they are certainly helpful in many cases there are certainly things that are not seen at all well with mri. ...Read more

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Disequilibrium x1 week - only sometimes when walking. Feel off balance. Normal MRI of brain 6 months ago. So scared this is a brain tumor? 27/F.

Disequilibrium x1 week - only sometimes when walking. Feel off balance. Normal MRI of brain 6 months ago. So scared this is a brain tumor? 27/F.

Consider other cause: Since you had an MRI of the brain 6 months ago, and it was normal, you should not think of brain tumor as the cause here. Other causes are more likely and more common. These could be medicine side effects, changes in the sensation of the feet, changes in the inner ear sensation of movement, or changes with your strength. Hope that helps! ...Read more

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Off balance/disequilibrium off and on when walking x2 weeks. worse after driving. MRI of brain normal 6 months ago. Worried of brain tumor. 27/F.

Off balance/disequilibrium off and on when walking x2 weeks. worse after driving. MRI of brain normal 6 months ago. Worried of brain tumor. 27/F.

Get in: If you are dizzy and balance is off, you probably have vertigo. This can be serious, but usually is not. It is unlikely you have a tumor if you had a normal MRI 6 months ago. You need to get into see you physician to have this evaluated. Good luck. ...Read more

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Dizziness, nausea x3days. Just over a cold, Dr said fluid in ears, but shouldn't cause this? MRI of brain 6 months ago. Brain tumor? Scared. 27/F.

Dizziness, nausea x3days. Just over a cold, Dr said fluid in ears, but shouldn't cause this? MRI of brain 6 months ago. Brain tumor? Scared. 27/F.

No tumor: URI can produce some inflammation of inner ear. This results with fluid behind ear drum which if symptomatic should be drained. The fluid could induce pressure on semicucular canals and result in dizziness and well if pressure reaches brances of vagus n. then nausea can result. MRI of brain must have had a reason but if proved neg. the indications for scan were ruled out. ...Read more

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MRI brain came back normal but have Mucosal thinkening and polyps what's that mean ? Tumors ? Cancer ?

MRI brain came back normal but have Mucosal thinkening and polyps what's that mean ? Tumors ? Cancer ?

Sinusitis - repeated: Mucosal thickening (of layer covering the sinuses) & sinus polyps may point to multiple attacks of sinusitis. Sinus polyps, in particular, point to allergic sinusitis. (Are you allergic to many things? Aspirin?). Unless the polyps block the sinus passages, little is done for them. Without symptoms, not much to do aside from treat allergies. It's a complex situation - use Healthtap Prime to discuss ...Read more

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Can 2 CT scans of the head cause brain cancer?

Can 2 CT scans of the head cause brain cancer?

Unknown: CT of the brain does deliver radiation but the likelihood of developing malignancy from one or two studies is unknown. One must weigh the benefit to be gained from the study against whatever risk may be present. Careful selection of patients, particularly children is important when considering imaging. Thanks for trusting HealthTap! ...Read more

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Is it ever that a CT scan causes brain cancer years late if it done at young age?

Is it ever that a CT scan causes brain cancer years late if it done at young age?

No, there: is no scientific evidence to support the notion that the amount of radiation from one CT would cause a cancer. ...Read more

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What is the risk that an adult in his 20's will get brain cancer from getting one CT scan?

What is the risk that an adult in his 20's will get brain cancer from getting one CT scan?

Not very significant: With one cat scan of head the risk in men is 1 in 11080 and in women is 1 in 8100, there is also lot of variations in radiation exposure from one place to other.This was published in archives of internal medicine in dec 2009. ...Read more

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Dr. Guido Davidzon
291 doctors shared insights

Pet Scan (Definition)

Pet scans most often use a radioactive form of glucose, the energy source for most of the cells in our bodies. The pet scanner can detect and measure how much of the radioactive glucose analog, f-18 fdg, is in a particular organ or region. The areas using more glucose are hyper metabolic and generally more worrisome. Our brains and sometimes hearts prefer glucose as food, making ...Read more


Dr. Jeffrey Wint
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