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Doctor insights on: X Ray Vs Mri For Knee Pain

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Had several x rays and CT scans this year . Maybe 7 cts and 14 x rays . Is this deadly?

Had several x rays and CT scans this year . Maybe 7 cts and 14 x rays . Is this deadly?

Not deadly: It's not deadly but you should make your doctors aware of all the radiation you've recieved. The bigger question is why so many cts? Are they all really necessary? ...Read more

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Dr. Quang Nguyen
5 doctors shared insights

Mri (Definition)

Magnetic resonance imaging named for the effects of the strong magnetic field upon the atomic and molecular phase or spin and the image created when that magnetic field is altered and the excited particle changes gibing off a signal that is recorded and interpreted by a complex computer algorithm, ...Read more


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Knee mri showed torn meniscus and bone spurs. Now dr wants bone scan.is that scan needed after mri. What would bone scan show that isn't on mri??

Knee mri showed torn meniscus and bone spurs. Now dr wants bone scan.is that scan needed after mri. What would bone scan show that isn't on mri??

Generally,: finding a meniscal tear and bone spurs on a knee MRI doesn't require a bone scan for further evaluation. There must be something else they are concerned about, but it is difficult to speculate with limited information. Talk to your doctor about why the bone scan is needed. ...Read more

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Sudden onset pain MTP joint. Xray showed bipartite sesamoid, no fracture. MRI identified only reactive marrow oedema, what are my treatment options?

Sudden onset pain MTP joint. Xray showed bipartite sesamoid, no fracture. MRI identified only reactive marrow oedema, what are my treatment options?

This is a difficult : Thing to treat. You can try custom orthotics with a built in dancers pad. If you work out or excercise you will have to stop for an extended time period. The sesamoid bone is small and the blood supply very tenuous so you need to be very cautious. Other options include crutch walking for a couple or weeks or wearing a stiff sole shoe so you don't propulse at the mpj allowing rest of the joint. ...Read more

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Dr said need more Xray or MRI to investigate hip impingement. If had an MRI does this make the X-ray pointless? IE: Doesn't an MRI show more than XR?

Dr said need more Xray or MRI to investigate hip impingement. If had an MRI does this make the X-ray pointless? IE: Doesn't an MRI show more than XR?

Need both: Both additional X-rays and an MRI with arthrogram are needed to work up hip impingement. The MRI looks at the hip labrum (cartilage) and rules out a vascular necrosis. It can spot subtle arthritis. The X-rays and possible CT scan help understand the bone shapes particular to impingement. These are needed to guide treatment. ...Read more

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8years ago I did ct scan for head 5years Xray for kidney 2months panoramic Xray for teeth 2week Xray of spine 2days mri of spine Can this cause cancer?

8years ago I did ct scan for head
5years Xray for kidney
2months panoramic Xray for teeth
2week Xray of spine
2days mri of spine
Can this cause cancer?

No: All x-ray exposure is cumulative, but doses are minimized as much as possible. your Panoramic x-ray, for example, is less radiation than you would receive spending a day in the mountains, or two on the beach. If you are concerned, schedule an appointment with your General Physician for evaluation. ...Read more

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Want to see a shoulder specialist for shoulder pain when there's exertion. What type of diagnostic test will be required? X ray, ultrasound, MRI?

Any of those: tests could be indicated depending on the shoulder specialist's evaluation. Most likely an xray will be performed, and possibly MRI. Ultrasound not typically performed for shoulder symptoms, but occasionally may be useful. ...Read more

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Could an ortho consultant surgeon know from x rays or CT if patient with a fracture had osteoporosis?

Yes: The x ray could show significant demineralization that could lead the radiologist or orthopedic surgeon to suggest osteoporosis . However confirmatory bone mineral density scan with a t score of less than -2.5 per who standard is required to confirm the diagnosis. ...Read more

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ER last night, Dr. dx: Right Knee sprain. x-ray, ok, exam and his stretching very painful, does x-ray show torn ligaments, should MRI be done?

ER last night, Dr. dx: Right Knee sprain.  x-ray, ok, exam and his stretching very painful,  does x-ray show torn ligaments, should MRI be done?

No: No X-rays definitely do not show soft tissue structures, only bone. I would follow up with an orthopedic surgeon, a detailed exam would likely yield a likely diagnosis and whether it not an MRI would be indicated. ...Read more

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Is an MRI better than a CT scan for diagnosing back pain?

Is an MRI better than a CT scan for diagnosing back pain?

MRI vs CT: A ct myelogram (where contrast is injected to highlight discs, nerves, etc) is comparable to a back mri. Orthopedic surgeons & neurologists have their preference. Both will do a thorough exam before recommending an imaging study. Conservative treatment with analgesics, muscle relaxers, physical therapy may be enough at first. ...Read more

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Mri, xray (fall) negative scaphoid fracture. Still severe pain. No diagnoses. Could surgery help with diagnoses?

No surgery : without a diagnosis. Contusion. Bruise tendon irritation. Irritated arthritic joint. Cmc arthritis. Dequervains all can cause pain in thumb side of wrist ...Read more

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What is better CT scan or mir to further diagnose right superior mediastinum widening in the chest x ray?

CT scan: Mediastinum is best seen with a contrast enhanced ct scan. Mri is improving and could be used instead but i prefer ct scan. Right mediastinal widening could be due to a congenital anomaly such as right sided aortic arch. Have you reviewed this finding with your doctor? ...Read more

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Can physio work for scaphoid ligament injury over a year old. Nothing showed on X-ray but MRI showed gap widening. Also wrist clunks on movement?

Can physio work for scaphoid ligament injury over a year old. Nothing showed on X-ray but MRI showed gap widening. Also wrist clunks on movement?

Prob. not: Scapholunate ligament injuries are fairly common and quite often late diagnosed.Physical therapy can help strengthen muscles in the hand but will not cause the ligament to 'heal itself'.If u r having pain in the center of your wrist and it causes painful 'clunking' w/motion for more than a year i would suggest seeing an ors w/ interest in hand injuries and think about having sl repair.Gl! ...Read more

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Severe pain after a MRI arthrography on my hip. Take aspirin?

Severe pain after a MRI arthrography on my hip. Take aspirin?

Not unusual: An MRI arthrogram is preformed usually injecting gadolinium and iodinated contrast. One could have allergy reaction to either. Pain after this study is rarely sever. Talk to doctor who did the study. Infection or blood in the joint could produce pain. Rather than taking a pain med do not overlook the possibility of an adverse reaction. If clear for adverse reaction any mild pain medicate is ok. ...Read more

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How much do MRI scans cost for an ankle compared with xrays?

How much do MRI scans cost for an ankle compared with xrays?

More expensive: Mri scans cost on the level of several hundred compared to hundred or less for xray. ...Read more

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Double knee repl. 2010 for no reson left shin knee swelling lots of pain left shin x ray show nothing wrong at gp knee dr another town retired. Any id?

Double knee repl. 2010 for no reson left shin knee swelling lots of pain left shin x ray show nothing wrong at gp knee dr another town retired. Any id?

See orthopedist: I would recommend you see an orthopedist for further evaluation. There could be infection of the knee replacement, or loosening, or the pain could be unrelated to the knee replacement. ...Read more

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Hx back pain, had lumbar and SI joint xray. Results said lytic or sclerotic process on SI joint xray. And minimal curve at L4.What does this mean?

Hx back pain, had lumbar and SI joint xray. Results said lytic or sclerotic process on SI joint xray. And minimal curve at L4.What does this mean?

At your age...: sacroliitis, unilateral, is the most likely culprit. See a rheumatologist and take your films. Alleve should give you some relief! Scoliosis rarely causes back pain in someone your age! ...Read more

Dr. Frederick Buechel, jr. md
1,193 doctors shared insights

Knee Pain (Definition)

The knee joint is the joint between three bone of the lower leg: the proximal tibia, the distal femur, and the patella. There are multiple causes of knee pain including degenerative, ...Read more