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Doctor insights on: What Does Hypointense Mean On An Mri Scan Of The Knee

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What does "hypointense" mean on an MRI scan of the knee?

What does "hypointense" mean on an MRI scan of the knee?

MRI Description: Structures seen on MRI can be described as being hypointense. They mean a hypointense signal, where an area of darkness in the image is hypointense, and a bright area is hyperintense, with the middle as isointense. The meaning varies depending on the sequences or technique used to scan, so the description is relative. For example: water is hypointense in certain images and hyper in others. ...Read more

Dr. Harinder Gill
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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What does osteochondritis dissecans mean in the knee? What does hypointense mean on an MRI scan of the knee? Can you tibia slip out of place?

What does osteochondritis dissecans mean in the knee? What does hypointense mean on an MRI scan of the knee? Can you tibia slip out of place?

Bone/cartilage shift: Osteochondritis dessicans refers to a condition in which a piece of cartilage and a small piece of bone have come detached. It is common in the knee. If the piece does not move much it may not hurt. However, it is common for it to get "stick" in the knee joint and may need surgery. Hypointense means loss of bone density which is not normal. The tibia can slip out of place somewhat. ...Read more

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I am 23 and I can not straighten my knee its been a yr now and the doctors referred me to a MRI scan. The results showed nothing. Don't know what's wrong?

I am 23 and I can not straighten my knee its been a yr now and the doctors referred me to a MRI scan. The results showed nothing. Don't know what's wrong?

Knee problems: You did not mention if pain or not. You should follow up with an orthopedist but if you already have and nothing was offered, go see a physical therapist (physiotherapist) who may be able to assist you in getting back the flexibility in your knee. ...Read more

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How to interpret my right knee MRI scan?

How to interpret my right knee MRI scan?

Only with training: Your MRI should be interpreted by a physician who has experience in MRI. You should not be tempted to interpret your own study, as some abnormalities are important clinically, and some are not. ...Read more

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Treatment for a syst in knee diagnosed by MRI scan?

Treatment for a syst in knee diagnosed by MRI scan?

Some other cause: A cyst around the knee is usually a manifestation of an underlying problem in the joint or cartilages. An orthopedic surgeon is commonly consulted for knee problems and you primary care dr. Can decide if you need a referral. ...Read more

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Can patients with an artificial knee safely undergo an MRI scan?

Can patients with an artificial knee safely undergo an MRI scan?

Yes: With today's materials, a patient with a knee replacement can have MRI studies of any area of the body. However, an MRI of the same knee will create artifacts and distortion, limiting the evaluation. Unfortunately, you do not know if the MRI will give you enough information to treat a patient with a knee replacement until you try it and see. ...Read more

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Can the age of a damaged ACL in the knee be determined by a MRI scan.

Can the age of a damaged ACL in the knee be determined by a MRI scan.

Not really: The MRI is very good at saying it's torn. As with many things, not when it occurred. ...Read more

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Can patients whose artificial knee is comprised of oxinium safely undergo an MRI scan or is there an alternative?

Yes: The worry about mris and metal implants has to do with magnetic metals (ferromagnetic). Total and partial knee implants are made of cobalt chrome, titanium, oxinium (oxidized zirconium), and polyethylene plastic. These are not iron containing magnetically charged implants so they are all safe in an mri.
Pacemakers and defribulators, aneurysm clips can not go in mris. ...Read more

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I have had an MRI scan following pain in both knees which started 7 months ago. Scan showed deep infrapatella bursitis knees. Any advice on treatment?

I have had an MRI scan following pain in both knees which started 7 months ago. Scan showed deep infrapatella bursitis knees. Any advice on treatment?

DiscussWithOrthopedi: Infrapatellar Bursitis is usually treated with1Physical Therapy2Corticosteroid Injections in the bursa3Anti Inflammatory meds or oral steroids 4 Surgery as last resort.
Treatment depends on the cause of the bursitis, age of the patient and any co existing condition like Diabetes or osteoarthritis.So discuss what you need from your Orthopedic Doctor ...Read more

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My left knee does not bend, it has been a yr and also it gets stiff only but doesn't pain. I have tried physio and accupunture and MRI scan is normal?

My left knee does not bend, it has been a yr and also it gets stiff only but doesn't pain. I have tried physio and accupunture and MRI scan is normal?

Second opinion: I recommend that you see a doctor for another evaluation. If you are not satisfied, seek an evaluation from another doctor. Don't give up, your knee is important! Good luck. ...Read more

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I have just had results back from MRI scan and they say I have a bucket handle tear in my right knee how long before I can play football again?

I have just had results back from MRI scan and they say I have a bucket handle tear in my right knee how long before I can play football again?

Some time post scope: This is a mechanical problem in the knee, & requires surgery.If a repair is done months. If excised, I have seen kids return in1-2 weeks, quarter backs earlier. ...Read more

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I have been advisedthat I have a lipoma behind my knee following an MRI scan. I have now noti ced another lump on other leg. Is it common to have more?

I have been advisedthat I have a lipoma behind my knee following an MRI scan. I have now noti ced another lump on other leg. Is it common to have more?

Multiple lipomatosis: Multiple familial lipomatosis is an autosomal dominant condition in which patients develop multiple lipomas. Affected individuals will pass it on to 50% of their children. It has variable penetrance, so the size and number of lipomas may vary. Surgery to remove any growing or symptomatic lipomas is the treatment of choice. ...Read more

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Treatment for torn meniscus and partial torn lateral collateral ligament in left knee diagnosed by MRI scan?

Depends: The treatment depends on your exam and symptoms but most meniscal tears are well treated by arthroscopic partial menisectomy while the partial lcl tear probably requires bracing and rehab. Again this is predicated by your exam and not the mri. ...Read more

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I have a metal plate in my leg, and need an mri scan of my low back. Will the metal plate prevent me from getting the mri?

I have a metal plate in my leg, and need an mri scan of my low back. Will the metal plate prevent me from getting the mri?

No: Before your MRI you will be asked a series of questions to determine if the MRI is safe for you. The metal plate in your leg should not prevent you from getting an mri. If you become uncomfortable during the scan, you may have to stop and take a break. ...Read more

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If MRI scan results come clear then what is the outcome of having a drop foot on left leg?

If MRI scan results come clear then what is the outcome of having a drop foot on left leg?

If you have a: Drop foot I would recommend aggressive physical therapy. Likely, you will need a brace known as an afo. Drop foot is a result of damage or weakness of the nerve that supplies the muscle. ...Read more

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Last 2to 3 months I have pain and swelling on my left leg right most finger and surroundings. I done even MRI scan as doctor advised. Still no change?

Last 2to 3 months I have pain and swelling on my left leg right most finger and surroundings. I done even MRI scan as doctor advised. Still no change?

Swelling: I wouldn't have thought to do an MRI as the first investigation of the signs and symptoms you mention as they are anatomically quite removed from each other. You do not mention much by way of other symptoms or signs, so can only advise you to follow up with your doctor. ...Read more

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I am polio afflicted. 43 yr old female rt leg is affected, recent MRI scan show atrophy of paravertebral muscles, is it normal in polio pt?

I am polio afflicted. 43 yr old female rt leg is affected, recent MRI scan show atrophy of paravertebral muscles, is it normal in polio pt?

Post polio syndrome: Atrophy, pain and weakness affecting muscles can occur after a course of polio. The problem is other things can cause these symptoms too, and it is difficult to distinguish them.

Sometimes in polio muscles are reorganized without a change in strength. ...Read more

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I have developed sudden weakness and numbness in left leg and tremor in right arm and left leg. Referred urgent MRI scan. What could this show?

I have developed sudden weakness and numbness in left leg and tremor in right arm and left leg. Referred urgent MRI scan. What could this show?

Stroke or MS: Sudden weakness & numbness is worrisome for stroke. Think fast: face, arms, speech & time. Obviously someone didn't think that you're having a stroke. Multiple sclerosis comes to mind in young caucasian females especially those living in northern latitudes. But the best person to answer your question is the doc who ordered the test! Ask him/her what s/he hoped to find. ...Read more

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MRI scan shows posterior disc protusion at L5 S1 level after medication/ rest it is fine very litle pain now at lower back/Leg. Doc says surgery?

MRI scan shows posterior disc protusion at L5 S1 level after medication/ rest it is fine very litle pain now at lower back/Leg. Doc says surgery?

Your choice, BUT: If you give it time, the disc will desiccate and shrink over about 9-10 months, but if it is causing unbearable pain and causing progressive weakness and muscle atrophy and threatening bladder function, best to have it fixed. ...Read more

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What does a prominent cisterna magma mean on an MRI scan? Does this affect memory?

What does a prominent cisterna magma mean on an MRI scan? Does this affect memory?

No need to worry: A prominent cisterna magna is an incidental finding, and won't cause you any problems. It won't affect your memory. ...Read more

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I have an optic neuritis but a normal MRI scan. What does that mean?

I have an optic neuritis but a normal MRI scan. What does that mean?

Depends.: Assuming that the study was done with contrast and included the orbits, the absence of a certain type of lesion indicates that the neuritis is less likely to be due to multiple sclerosis. It is possible that the other findings of ms have not developed yet also. Overall, it is better to have a normal MRI scan than an abnormal one. ...Read more

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I had an MRI scan on my neck and I was diagnosed with a cyst in a nerve in my neck. What does this mean?

I had an MRI scan on my neck and I was diagnosed with a cyst in a nerve in my neck. What does this mean?

Benign: These are "leave alone" lesions as they are often asymptomatic and detected incidentally. Usually associated with no neurological symptoms they represent small collections of cerebrospinal fluid around the nerve. ...Read more

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Does a prominent cistern magna on MRI scan mean anything bad? Does this cause memory problems or affect intelligence?

Does a prominent cistern magna on MRI scan mean anything bad? Does this cause memory problems or affect intelligence?

Not usually: If fluid collection is not causing compression or underdevelopment of brain, then usually variation of normal, sometimes inherited. Both my son and I have prominent cisterna magni without any effect on normal brain function. ...Read more