Doctor insights on:
Mri Without Contrast Show Symptomatic Tumor
Non contrast MRI was clear. No tumor or other issues found. Should I request an MRI with contrast or would the non contrast show issues?
Whi MRI in first pal: You need to tell us about your general condition as to why was the MRI done in the first place? Contrast is often used but it only enhances to show a lesion better. Most serious abnormalities will show up on MRI even without the use of contrast. Yet if your symptoms persist, a repeat MRI with Contrast may be necessary. What was your main symptom to do a MRI??? ...Read more
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
Would a non-contrast MRI show a tumor located on the skull? Are there limitations? Bony protrusion?
Depends: Depends on tumor. If there's a lot of calcium in the tumor then, contrast may not be needed to see it. If it's a meningioma then, contrast may not be necessary because of the Dural Tail sign seen on FLAIR images, however, contrast is generally given to PROVE it. But in other cases tumors may be hidden if small, no mass effect, and no contrast. Contrast always best if mass suspected. ...Read more
Does a head MRI both with and without contrast show if there is a problem or tumor in the pituitary gland?
Would a brain MRI with and without contrast show problems with sinuses (cyst or tumors)or do they have to order MRI specifically for the sinuses?
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 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
My neurologist ordered an MRI of my brain/spinal cord with and w/out contrast. Will this show blood vessels? Will it show if I have an aneurysm? Will it show tumors? I forgot to ask my doctor.
Frequently: MRI if abdomen/ pelvis frequently identify most existing neoplasms but can miss the presence of one, especially if metastatic from a more distant site. We therefore employ PET/CAT to evaluate entire site especially for a hidden primary in the face of metastasis. If multiple liver lesions present, PET can identify which might be hemangiomas and determine approach to be used for management. ...Read more
No, of course not: There will always be something too small to be seen by any type of machine. However, when things are too small to be seen, nobody knows what happens to those things over time. As the machines and the scientific research improves over time, we will know more. ...Read more
It depends: Sometimes the tumors are so subtle that you cannot be certain. Many of the time the tumors will light up with contrast in which case you can be much more certain that it is tumor. But sometimes it is simply hard to tell and only biopsy will tell you if you have tumor which should be done only as a last resort because biopsying the spinal cord is fraught with danger. ...Read more
Highly: Recommended to give contrast when evaluating for brain tumors, demyelinating disease, and other diseases too numerous to describe here. ...Read more
Usually: Sometimes a spinal cord tumor, especially with extrinsic compression, can result in false localizing clinical signs, which could result in imaging at wrong level, but if precise, the MRI will show lesion. However, you say that you have B-12 issues, and this can cause spinal cord problems in posterior columns, which are also seen on MRI. Do you feel Concierge visit might help? ...Read more
See answer: Yes.Get a more detailed answer ›
Constant: Constant that is not influenced by position of the legs. Usually described as biting or sharp; not electric or shooting. ...Read more
What are the chances of an MRI w/ contrast picking up something (such as a brain tumor?) that a regular MRI could not?
Better: Contrast improves the ability to see most brain tumors. However, this is not the case with all of them. ...Read more
Do you have any symptoms? Any test can have false negative results. Unneeded tests can produce false positive results.
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Get HPV vaccine ...Read more
I have been diagnosed with hyperprolactinemia. Serum level of 97.9.My MRI does not show a tumor. What other things can cause this.?
A tumor: You may still have a little one in your pituitary that isn't showing on mri. I suspect that these underlying most cases of "hypothalamic-pituitary dysregulation" as I've found them at autopsy in people who have no idea. Trusting you're healthy otherwise ; not on meds or overstressed; many women with polycystic ovary disease run a somewhat high prolactin. Treatment (if you need it) may be empirical. ...Read more
Yes: Most pituitary tumors are "microadenomas", meaning that they are less than 1 CM in size. Mris done specifically to look for a pituitary tumor are very good at detecting tumors near 1 CM in size, and identify about 50% of tumors in the 0.3 CM size range, and would miss most tumors smaller than this. ...Read more
Would an MRI scan on the coccyx for tailbone pain show if there was some sort of tumor causing the pain?
An MRI should show if it was a tumor or something else on my head. Is that correct? What about epilepsy?
Unlikely: You will need ct chest I would guess. ...Read more
Depends on size, loc: MRI's limited resolution in "standard" view can miss tumors <1 cm in size. Dedicated MRI of the orbits (eyes) can see tumors that are ~0.2 cm in size, but require a special order to perform. Also, the tumors show up in a way that can be confused with normal vitreous fluid in the eye, so often dye is needed, depending on location. Talk to an ophthalmologist about symptoms 2 c if MRI order's correct ...Read more
I recently had a non contrast MRI of the brain. It came back normal. Would they have seen a tumor if I had one?
"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
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