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1453990 tn?1329231426

MRIs and MS

I'm going to cause some controversy.

When it comes to MRIs and MS, it would be great if every doctor and insurance company would agree to a 3T MS Protocol MRI (that includes Gadolinium contrast and post contrast T1 sequences as part of the MS Protocol) of the brain and cervical spine.  

With the way most hospitals and imaging centers bill for studies (by the body part,) I think they are forcing the insurance companies to question the need for certain studies.  Should a doctor order a c-spine MRI if you are not having Lhermitte's Sign or symmetric defects of the extremities?  Is Gadolinium needed if there are no T2 lesions to start with?  

Consider that in many metro areas, hospital MRIs are booked 24 hours a day 7 days a week.  I went for my last MRI  at 7:30 PM.  If you don't have symmetric extremity signs with or without Lhermitte's sign, what is the incidence of C-spine lesions?  (Might be a good idea for a multi center study.)  If you don't have T2 hyperintensities, then Gadolimium is a drug that there is no indication to administer.  (yes, it is a diagnostic drug regulated by the FDA and requires a prescription.)  It can only show enhancement on T1 of a lesion less than about 40 days old.  Well, that lesion also shows on a T2 sequence, so if you have T2 lesions, then GAD makes sense.

There is an MS protocol, but it might be the "most ideal" and not balanced with "most practical."  When someone says "I need an SUV."  there is a big difference in cost between a Range Rover and Ford Explorer.  Both get you down the road, and I'm not sure the Range Rover will do it any better or faster, but I can tell you it will cost you more!

Part of the expertise in being a doctor is picking the right diagnostic tests, not ordering the most expensive battery of tests.  It is up to the doctor to figure out what they need to get to a diagnosis with the lest expenditure of resources.  That include the time the patient spends in the MRI machine delaying others from getting their tests done.  

There are a limited number of MRI machines.  There are even less 3T machines.  I think that the 3t machines should e used for those studies that require their higher resolution, but I'm not sure that imaging and medical physics community have determined what those are yet.  There are a limited number of Rad Techs to do the studies. There are a limited number of radiologists and even less neuroradiologists.  I really think MRIs of the brain need to be read by a neuroradiologist, not a neurologist.  Most Neurologists go lesion counting.  They don't read the whole study in the absence of clinical bias.  Neuroradiologists are much better at reading a study rather than trying to "support or disprove" a clinical impression.      

Just something to talk about. By the way, my first MRI was not MS protocol Brain & C-spine but 5mm slices without/with GAD on a 1.5T and my second was 3mm slice Brain only with and without GAD on a 1.5T.  I never had a GAD enhancing lesion.  My presenting problem was ON (3/2010) and I was diagnosed (11/2010) with RRMS at the Rocky Mountain MS Center.

Bob
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1394601 tn?1328032308
Bob?  It has been my understanding that having a 1.5T would not have (and in fact did not) show the lesions on my spine.  It wasn't until I had a 3T that those lesions showed.  In the mean time, while waiting, a hell of a lot of damage has been done to my body.  Would have it happened with or without being diagnosed?  I don't know.  I will probably never know but I will say this, I would have scrimped and saved my own money (forget insurance) to have been given a 3T and a chance to use DMD's.  Maybe, just maybe, I wouldn't be faced with the condition  I am in today.
Helpful - 0
1453990 tn?1329231426
And in your case, your doctor may have ordered it based on your case.  I agree.  I;m not sure every case needs a 3T.  I'm not sure every patient should get GAD.  In your case I agree that you needed the resolution.  In my case, after 6 months of "watch and wait" the doctor didn't.  I'm getting a bit concerned about people recommending to case that they get a 3T MS protocol MRI of the Brain and C-Spine.  That may be a "misapplication of a limited resource."

I'm only opening it up for discussion.  If my 1.5T was negative, given my symptoms, I'd have pushed for a 3T MRI.  I'm not sure that limited resource should be expended on every R/O MS case.  

I'm bringing up this discussion because a Radiation Oncologist I know was telling me that they were waiting excessively longs times (a couple of weeks) to get Neuro Oncology patients to the 3T.  Oncology seems to need the higher resolution for some of the IMRT therapy planning.  It just got me thinking about what is the best way to cut down on the wait for a limited resource and who really has the highest medical need.

Notice, I never said "not needed" or  anything of the type.  I said: "...expertise in being a doctor is picking the right diagnostic tests, not ordering the most expensive battery of tests.  It is up to the doctor to figure out what they need to get to a diagnosis with the lest expenditure of resources.  That include the time the patient spends in the MRI machine delaying others from getting their tests done."

Don't read this as "Never."  I just think that folks on the forum telling everyone "they should get a 3T MS Protocol MRI of the Brain and C-Spine without and with contrast (which is redundant)"  may not be the advice we should be providing.  The Protocol left the MRI power out, because they know 3.0T is better, but there are just not enough of them for every case.

Like I said: This is for discussion and will create some controversy.

Bob
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338416 tn?1420045702
There are many neuros out there who won't diagnose you without a lesion count.  Personally I believe that we rely too much on MRI for diagnosis.  However, if you're going to get it done at all, which the neurological community seems to insist upon, then it should be done on a machine that's going to show as much information as possible.
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1394601 tn?1328032308
Bob, I think this is an excellent topic and probably something that should be addressed...especially by someone that understands the darn machines and what they are capable of doing.

I do think my case was an usual one.  Looking back, I believe my neuro could only see one thing.  A devoted and protective husband.  A "little" woman playing him (my husband)for sympathy and getting it.  So, he played the "game" with us.  He medicated me enough that it suited my husband.  He was more than willing to discuss my medical care in detail with him and did convince both of us that it was a nerve in my neck...of course, not operable.  Things went along fine until the "little" woman loss the use of her dominate hand.  Then.....

All hell broke loose.  That "little" woman went on the war path with husband following BEHIND her...lol...

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1466984 tn?1310560608
Your point :

expertise in being a doctor is picking the right diagnostic tests, not ordering the most expensive battery of tests.  It is up to the doctor to figure out what they need to get to a diagnosis with the lest expenditure of resources.  That include the time the patient spends in the MRI machine delaying others from getting their tests done."  

is well stated, and I agree.  I think there is a lot of waste of time and resources in medicine.

could be due to a doc's problem with dx, or a patient being very pushy and the worry about lawsuits -   whatever the case may be - I think we all need to be smart consumers of medicine and ask our docs some very pointed questions any time they order tests.

My lesions in my brain showed up very nicely on a 1.5 - but a 2nd opinion neuro has recommended doing a follow up study on a 3T - now that I think about it, I'm not sure why I would need to do that.  I am on DMD - staying on until someone proves I have something other than MS.  This neuro also ordered an MRA looking for SSS- even he admitted this to be a "longshot" after I told him I wasn't going to do it.

Every person needs to do what they feel is right for their care in cooperation with their doc....but I think it's good to ask lots of questions.

I highly recommend the book- How Doctors Think  - by Jerome Groopman, MD.  It's an easy and interesting read, and it really helps to understand ways docs come up with their dx, etc.  The author gives a lot of very interesting anecdotes of real patients stories - shared by the docs  that he interviewed for the book.

As far as people recommending a 3T MRI to others on this site - I think people are just wanting someone who may have MS to have the knowledge - and not to just assume all is fine if they have had a 1.5 and not found any lesions.


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1312898 tn?1314568133
Do you ever wonder what life was like before the MRI became a tool that surpassed everything?  It’s unfortunate that physicians are not confident with their own clinical skills.  A good neurologist can even pinpoint where each lesion is in the brain or spinal cord.  It’s a waste of education.  Doctors order test in a defensive manner instead of using their own expertise.  

If physicians believed their patients were good historians, this diagnosis could be given faster.  Men are diagnosed sooner than women because women are viewed as poor historians and hysterical.  Perhaps they present in a more dramatic yet objective manner.

It’s the patients that suffer either way.

Even the 3T MRI doesn’t pick up all the lesions or hyperintensities.  Some day people will laugh at our medical equipment and think it useless.  

MRI’s are ordered on a whim.  The MRI is read and report completed before the patient is leaving the clinic.  Words and phrases are on ‘buttons’ or ‘clip-boards’ within the program that are inserted as you would with Microsoft Word.   Once it prints it is sent out.  Not a second thought.  I had a neuro-radiologist that didn’t pick up on my Chiari Malformation.  I called him and tipped him off and he sent a revised report.

A few months before I began having symptoms I was going to the gym 3-4 times per week.  When my symptoms began I ignored them.  After 9 months I began using a walker.  I can only walk 30 feet or so before I become too weak.    The pain at times feels unlivable.   Sometimes I sit myself hunched over holding a footstool just amazed, amazed that our bodies can contain such a pervasive and such great a pain.  

It has been about 16 months since the onset of symptoms; soon I will most likely be in a wheelchair.  Doctors have gone back and forth with “Chronic” or “Primary Progressive” MS to “you don’t have enough lesions” and back and forth with different doctors.  The one thing that every one of them agrees on is that I have Progressive something.   There isn’t a treatment anyway so I don’t want any MRI’s.  I just wonder if I am dying.

The MRI was never intended to be worshipped like it is.  It was supposed to be a tool, not something that surpasses the clinical exam.  That's my opinion.  

I enjoy debate and discourse, yet this particular topic will inevitably be come with emotion for some of us.

Red
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1453990 tn?1329231426
Yes, i will be very emotional.  I can bet almost everyone thinks we should have more 3T and 7T MRIs, but the don't realize the capital costs involved.  A 1.5T closed bore MRI is about $1.5 Million US Dollars.  A 3.0T is about 3.0 Million US Dollars And the 7.0T Research units are costing about $10 Million US dollars.  I can buy TWO 1.5T MRI and double my billings for the cost of a 3.0T MRI.  

The insurance companies will not pay TWICE as much for a 3.0T MRI study. Health care is a business.  If you have a teaching hospital in your area that is getting research grants, that is where you will find the cutting edge of medicine.  Your local hospital can't afford to play.  Many hospital have nuclear imaging, but the only place I have ever seen SPECT or PET is teaching hospitals with active clinical research programs.  

When I started having neurological problems, I was being seen by a neuro-ophthalmologist who has a private neurology practice.  He was good, but had to farm everything out to various hospitals and imaging center.  After my second appointment I moved my care to the Health Science Center at the University of Colorado.  They have a couple of 1.5Ts and a couple of 3.0Ts.  They have SPECT, PET, etc. They still had to farm out the spinal fluid isoelectric focusing for OCBs.  They sent it to the reference lab at the University of Utah.  I was told that they send them to Utah beacuse that lab has some of the most reproducible results in the US.  Sounds good to me.

I'm pretty sorry that they look at females as being hysterical or unreliable.  
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1312898 tn?1314568133
I was trying to say that we shouldn't need this many MRI's.  That doctors depend on them instead of their clinical skills.  So much has become so specialized that our care ends up somewhat fragmented.

I know medicine is business, it became big business when Kaiser raised it's ugly head in the late 60's.  Later, Nixon was the first to see that big money was going to be made from managed care/profit companies.  The HMO's made it 'big business'.



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1221035 tn?1301000508
I agree that Neruologists should be able to dx with history and clinical exam too.

My neuro did just that, and at my first appointment, after my neuro exam, he told me he was very sure that it was MS.
Now, I had brought with me my MRI from 6 weeks prior (on a 1.5T) it showed no lesions at all......but that did not sway his thoughts. He ordered a new MRI, evoked potentials, and sent me to an opthalmologist.
My second MRI was done on a 3T machine, and it showed 10 lesions consistent with MS, including one on the corpus callosum. I failed my SSEP. The opthalmologist dx optic neuritis. I was dx RRMS at my next visit.

My thinking is if the first MRI was done on a 3T machine, I wouldn't have need a second and the cost would have been less to me and the insurance company. If doctors need an MRI to dx MS for the insurance companies, then I think they should initially be done on the best machine available.....it will save time and money in the long run, by not having so many repeat MRI when the first one doesn't show anything or not enough.
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338416 tn?1420045702
Very good point!  Get it right the first time, and then we wouldn't have all this repeat testing.
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1511858 tn?1290477459
Hi Redflame,
  I know this convo isnt really my business or my expertise. I do know I go for my tspine and c spine next tuesday. After a failed lp.

  But I just want to say your story made me cry and I hope they find out whats going on with you and able to stop your attack. I will be praying for you, I hope that doesnt upset you I know everybody has there own religion preference.

  Peace to you and god bless
Barbara
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Avatar universal
What a good conversation.  I think the concensus here in giving advice is a 3T will show so much more than  a 1.5 T, so why waste the effort and resources with the lesser machine?  For difficult to call cases, a 3T can mean the difference between dx and not.  Just ask Quix, who went through numerous doctors and tests before a 3T was used and her spinal lesions spotted.

My own personal experience was I was dx'd on a 1.5T w/wo gad and the lesions popped on the film.  Enhancing and otherwise.  I also know how fortunate I am that they showed up like they did.  Otherwise I would have been patted on the head, told to deal with the PN and get on with living.  Looking for MS was not in my differential diagnosis at the time.

The cost differencel in the purchase of the machines is significant.  The cost difference paid by the insurance company (I have Blue Cross) is minimal.  

As for neuroradiologists - not a single one of my reports said much - a few sentences and that was it.  It has been up to my doctors , particularly my neurologist, to inspect my MRI closely and construct a thorough report and not a simple gloss-over.  I have confidence that my  msologist knows exactly what he is looking at and for on my MRI's.

I would love to see the MRI scrapped entirely for dx and require doctors to use their brains and skills instead.  But alas, that ain't happening.

Thanks again Bob for giving our brains a work out to think through the complexity of our health  care and the diagnostic path.

best, Lulu
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1312898 tn?1314568133
Hi Barbara,

Thank you for you kind words, and yes I need your prayers!  Everyone can put there opinion or experience here.  Sometimes I get sidetracked while writing and respond out of my pain when it's not the topic. I have redhair and it gets twisted into a knot sometimes!  Thank you for noticing.  

Bob knew he was starting a controversial thread and it just developed.  Good discussion.

I see you live in Huntington Beach, I was born in L.A. county and we lived in Anaheim until I was 10.  You're so lucky to be there, I miss those Christmas's in 72 degree weather.    

Hugs
Red
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Avatar universal
Personally I think radiologists s u c k as much as neuros (no offence Bob). I have had two different MRIs reported on by two different radiologists and both contradicted each other:

ONe says demyelination, one says not. One says supependymal nodularity, the other fails to notice it. One says no lesion on cerebellum, the other notices it - even I noticed it!  One says Migraine, the other says MS.

Combine that with 5 neurologists who cannot agree and quite frankly i think they're all f****ng mental.

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987762 tn?1671273328
COMMUNITY LEADER
I did write a post but its gone to cyber space, so i'll try again.

In Australia, we have the same dx problems, Insurance has absolutely nothing to do with if a person gets dx or not, most people are not under private insurance, it is government funded health system. New machines at hospitals are partially funded by the gov and the rest is raised by hard working supported people, selling raffle tickets etc. Yes thats a lot of tickets but charity raises 10's of millions every year, people power lol.

There are very few 3T MRI's in the country, only 1 that i'm aware of in my state and thats at the children's hospital, so no good to  me. As Quix pointed out earlier this year, 1.5T using old software is not as good as a 1.5T using the latest, a 3T would be ideal but a 1.5T using new software is almost as good as a 3T using old software, or something along those lines.

In my other post i found stats relating to neurological conditions in oz, off the top of my head there are 18-20,000 MSers in OZ campaired to the 400,000 epilepcy, 200,000 dementia, 80,000 Parkinson's etc. From my perspective the problem lies at the expertice of the neurologist, unless they specialise in MS the chance that they do ever see and dx MS in there life time would be slim due to the population of over 22 million.

I had no choice in strength machine, 1.5T and i havent a clue about the type of software used, after having the MRI the technitians asked "how long have you had MS?", the neurologist said "i had a normal MRI, a good brain" and "only a few irrelevant bleeds" then explained away my cognitive sx with probably senile dimentia (45) and my physical sx as probably psychological. It took me a year before i'd see another neuro, he was even worse than the first and my sx have progressed, he didn't see the MRI either, just read the report and all the clinical sx he found, he dismissed because I shouldn't have them with SVD. He even asked my DH how he was doing, wtf!

That was before cognitive testing showed a loss of approx 45 IQ points, psych testing showed I had NO psychological condition and before sight testing showed I had Nystagmus, pale optic disc etc. He didn't even look at the MRI, just read the report that said small vessel disease was inconsistent with my age group but still concluded "chronic ischaemic small vessel disease". I have clonus and hyperactive reflexes in my left side only, dx intercostal muscle spasms (MS hug) I could go on but the evidence is there, my ducks are quacking load and clear lol.

I see the issue as being the neurologist not the strength of MRI, I have more than one clinical sign of spinal lesions but nothing showed on the 1.5T now would they have showed up on a 3T is the question and I do think they probably would have. I have more to say but have to run (wobble lol) to the tax man, as they say in hollywood i'll be back!

Cheers......JJ


  

  
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559187 tn?1330782856
I just had to add my 2-cents based simply my own experience.  

I was dx with MS in May 2009, 2 years after I experienced my first major relapse.  

The initial MRI was on te hospital's 1.5T  for brain, cerrvical and thoracic spine and so was the second follow-up MRI brain only.  About 6 months after that initial relapse I got into a clinical trial and had my first 3T MRI with MS protocol of brain/cervical/throacic and it showed several more lesions that were not picked up by the 1.5T hospital MRI.  Subsequent clinical trial MRIs showed that a few of the lesions actually disappeared which the doctor said was characteristic of what they might see in MS.  

My bottom line thought here is that had I not been admitted into the clinical trial, then the doctor's may still be diagnosing me with "small vessel ischemia" and not MS - the more appropriate diagnosis. I may not have known about the more powerful 3T if the non-clinical trrial doctors didn't want to push for it. The 3T made a difference in my case.

I've used up my 2 cents now. Thanks for bringing up a good discussion.

Julie
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Avatar universal
I've had 3 MRIs in total. Two on 1.5s. One on a 3T.

The two I mention above were both on a 1.5T. Both of those showed masses of lesions - too many to bother counting. And both have been viewed by different radiologists and neuros with difffering views, as I stated.

The MRI done on the 3T I have no copy of- just the report. The radiologist report for that was undecided as well. He compared it to the 1st 1.5T scans and declared there to be more lesions but could not say if they were technique related or not...............And it had 4 neuros looking at it, 2 saying MS and two saying migraine.

I can't say anything else without being rude about the medical profession.
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338416 tn?1420045702
I do think the neurologists are to blame for our current problem with diagnosis.  I'm not sure why that is.  

Perhaps it's that many people are graduating directly from college and becoming specialists, rather than spending time as a general practitioner.  I hear that it takes less time to pay off your student loans if you're a specialist rather than a GP.  
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1394601 tn?1328032308
I think Cobob has a valid point.  We are advising people that join the board to immediately run to an MS specialist or to demand a 3T MRI based on our own experiences.  Many of us still carry our ax because the neuro we put trust in were not doing their job.  Some of us did gave them years to figure out our problems and while waiting damage was done to our bodies.  We have to step back and try to see with new eyes.  Some of our new posters are just getting started with their neuro's.  We truly are not even giving these doctors a chance without pounding on them...lol...

Thank you Bob for a reminder,.   We need to let the neuro's have a chance to figure things out.  MS has so many mimics, it isn't exactly the easiest thing to diagnose.  
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1453990 tn?1329231426
I don't take offense at anyone bad mouthing radiologists.  I'm not a radiologist.  I used to be a biomedical engineer, and I can tell you that a 3.0T shows about 20% more lesions than a 1.5T based on the studies.  So instead of 5 lesions you get 6.  Lesion count means much less than LOCATION.  It makes questionable lesions less questionable. Oh yeah and that is at twice the capital cost.  Are you willing to pay $3000 for a 3T that shows nothing?  Or $1500 for a 1.5T that shows nothing.  You might have one lesion on a 1.5T and hit that magic 2nd lesion on the 3.0T, but will it matter to the Neurologist (at twice the cost?)  Will you insurance even approve?

Radiologists are the GPs of the imaging world.  Your really want a Neuroradiologist to read brain and spine images.  The reason is neurologists and MS specialists are sloppy.  All they do is look for lesions and there locations,  The Neuroradiologist told my neuro about the damage to my optic nerve and tract.  The risk of blindness is what drove the MS diagnosis and DMD (in my case.)  

I advised someone the other day that they should seek out a teaching hospital with a neuro-immunologist.  Your neurologist should know what specialist to send you to.  Same if you should be sent for a 3.0T or a 1.5T  Studies show that 3.0T only detects 20% more lesions (at twice the capital cost.)    Someone at GE told me there are less than 100 3.0 T machines in the US today.  Some states have none.  There are 1.5 T machines in trailers and used ones are about $800K.  I can by almost 4 of them for the cost of a new 3.0T.

I guess I'm trying to say is that I know what you want.  It might even be the right thing to do, but it will not happen quickly.  It you want "state of the art" in medicine, go to a teaching/research hospital.  Deal with the Med Students, Interns, Residents, Fellows, Professors, etc.  That is where the research money goes and that is where a majority of the 3.0 T machines in the US are located.

The amounts of money moved in medical health care  (spent-earned-wasted) is a huge part of the US GDP.  I know we don't want to see health care as a resource or as money, but the fact is that IT IS.  And it is rationed and allocated by these companies and institutions.  Most standalone centers will only install an MRI if there is a guarantee of insurance catchment.  Yep, they only build if they a guaranteed that the business will be sent their way.  Research grants fund most of the MRIs at teaching facilities. This has been my experience.  Folks that talk about Yale, Duke, Cleveland, CU HSC, etc. can attest to what you get from teaching and research hospitals. All of these teaching facilities have 3.0 T units.  The problem with a teaching hospital is you will have to wait.  The 7 year old kid with the Neuroblastoma is going to get imaged before the 47 year old MS patient.  We are not actively and rapidly dying like some of these other folks.  There are only so many time slots to get people into the bore.  And they do the triage.  The sickest ones most likely to benefit from the limited number of 3.0T timeslots are going to get the time in the machine.  For the most part, that is not most MS patients.  even less likely for someone in Limo Land that has not been imaged in a 1,5T machine.

Understand, that I'm not upset.  I get to listen to tea-party members who know nothing of the system. They know little about how health care is delivered or how it is funded.  They really think the insurance companies and private business know how to do this.  They don't.  By the way, I don't think most of the government has a clue either, but at least they have figured out it is broken.  

Bob
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Avatar universal
Hmm thanks for that Bob. I just googled the radiologists who have done my reports and none are neuroradiologists.

The bit that has REALLY annoyed me is the mention of "bilateral subependymal nodularity"  that my neuro said, in a VERY offhand way, "Oh that's just aprt of your MS", but my MS nurse said "HUH?" and if you google that (and I know you have there is NO mention anywhere of it being related to MS, only to epilepsy and a disease called Tuberous Sclerosis.

GRRR.
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1453990 tn?1329231426
Most imaging centers get general radiologists (sometime the guys hospitals don;'t want on staff) to read their studies.  Most have little or no background in MRI physics or  neuroanatomy.   That is the first clue when you read the reports.  My report is in the my journal, and the anatomical references and and completeness of the report tip you off that a neuroradiologist read the the study (but then again, it was done at a reaching hospital with a neuroradiology fellowship program.)
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987762 tn?1671273328
COMMUNITY LEADER
I'm not doing too good with getting my posts online, lol so i'll be a tad blunt.

From my perspective I dont give a rats atsss what the machine cost, I need that dx so I stop loosing more of me! A medical condition that is left untreated so it can get worse enough for the likeing of any dr is a bad bugger of a dr! What about their hippocratic oath of "do no harm" they know these machines can help dx but its the clinical sx that dx, still they wait for the magic number of lesion on MRI or lesions in EVERY location, is this not against their oath?

I totally get what your saying from your perspective in the US but i'm confused why then once a person is dx, that MRI's are getting scheduled every 3, 6 or 12 months, is it really revenue raising or in the patients interest? I also dont understand why a person already dx and is refered to an MS specialist not for a confirmation of dx or second opinion but for continual care using 'best practice' and support of their MS. The new neurologist makes them go through the dx process all over again, more MRI's, repeat tests of all kinds, again are you saying its just revenue raising?

Sure if your dx is questionable then go through the whole testing regime again to be sure but if its already a given, in who's interest is it, i'm sure the many patients who met the macdonald criteria before are not happy or thinking it was in their best interest when the neuro took their dx away, how? why? who's interest?

I'm thinking you cant have it both ways, 3T MRI's are expensive, limited resources, machine strength not as important, $$$$$ etc then once dx those same machines are scheduled regularly because what, now they're not that expensive, not that limited, 3T is now important, $$$$$ etc. Before dx they are too expensive to use on you but after dx then they know what they'll find but its easy money, insurance co's don't question, I just cant think in those terms, its ugly but it seriously sounds like thats what your saying is the reality of the health system.

Please correct me if i'm off base here!

Cheers.........JJ





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1453990 tn?1329231426
Pretty much correct.  Most PwMS are diagnosed on 1.5T machines.  If they don't see lesions, the doc should then be able to send you for a 3.0T scan.  There are very few 3.0T machines, so that would make sense.If a patient has indications of cervical or thoracic lesions at exam it might be reasonable to do C-spine and T-spine on 3.0T MRI.  

It is not reasonable to recommend to every Limbo Land case that comes along that they should go to a neurologist and request a  3.0T MRI of the Brain and C-Spine.  Go to a neurologist and let them figure out what imaging you need.  Most suspected MS patients with the typical asymmetric sensory and motor issues are going to have brain lesions and will show on a 1,5T.  If the patient has Lhermitte's sign and bilateral symptoms, a doc might want to order a 3,0T.

In  many areas that may not have access to a 3.0T, a 1.5T may be just as diagnostic.  I think that may be why the MRI strength was removed from the protocol.  Slice size and movement are the big issues with MRI.  More power just makes what is there shoe up clearer, Keep in mind, that MRI is a derived image.  It is not like x-ray or CT-scan that are real, primary images.  MRI is like mapping a town my listening to the signals produced the the microwave ovens in that town.

Clearly doctors (or the insurance companies) want a more accurate way to select those patients that are PwMS.  Today 1.5T MRI seems to be the tool they use.  Some insurance companies will not pay for GAD contrast today.  They could care less if the lesion is new (active) or old.  For those companies that will not pay for contrast, I expect that they would be even less likely to pay for a 3.0T scan.

I knew this would cause controversy.  I just want people to understand that not everyone can get a 3.0T MRI.  Most people DO NOT NEED a 3.0T MRI.  I had my 5 lesions in the correct areas,  They were oval shaped and perpendicular to the ventricles. Do I need a 3.0T - NO.  I thought they would do one, but they did not.
They have not even talked about annual scans for me.  They said major shift in the course of the disease would signal the need for more scans.  

My suggestion is that we stop suggesting that every neuro issue requires a 3.0T MS Protocol MRI.  More than half of the people coming to this forum with "Does this sound like MS?" get told "Not really, nut it sounds Neuro and you should be seen by a Neurologist."  Most docs are going to send people for 1,5T of the brain and c-spine.  The docs will use the tools they have.  In Denver, I don't know of a 3.0T scanner outside the research hospital.  So if you want a 3.0T scan here, you better be a outpatient at the hospital's neuro clinic.  

Bob
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