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Old 01-05-2009, 02:34 PM   #1
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where is the lesion on your brain that makes your left leg feel numb

where is the lesion on your brain that makes your left leg feel numb

 
Old 01-05-2009, 04:25 PM   #2
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Re: where is the lesion on your brain that makes your left leg feel numb

It is a daunting task to even venture a guess. Considering the sheer number of nerve calls and axioms as well as the fact that we do not know how the body is wired. We know some, but we learn more each year.

The lesion may not even be in your brain. It could be located in your cervical spine or thoracic spine. In 2002 I had active lesions in my cervical spine and numb legs.

If you had to venture a guess, the right brain controls the left side of your body.

 
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Old 01-06-2009, 01:53 PM   #3
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Re: where is the lesion on your brain that makes your left leg feel numb

My first symptom was dullness in my left leg. As far as I understood, the lesion that effected that area in on my spine. The first neurologist I saw that sent me for a spine MRI suspected that based on my symptoms, the area of inflammation was located on my lower cervical spine. At the time, I did not yet have an MS diagnosis--the pressure being placed on that nerve could have been from a number of things from inflammation due to MS, Lupus or just general inflammation due to a virus like Lymes. It could have also been a tumor or pocket of fluid. I was wasn't until the lesions showed up on the MRI along with the MRI showing lesions in my brain that I got diagnosed with MS.

 
Old 01-06-2009, 05:19 PM   #4
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Re: where is the lesion on your brain that makes your left leg feel numb

Just alittle more info on this, and Jayhawk is absolutely correct- there is almost no way to know for sure...my initial symtom was complete numbnes in my left hand and left fingers..after a week of it not going away, ruling out a pinched nerve and carpal tunnel, eventually an MRI was ordered, showing over 50 lesions.
I went on over the next year to have PT, and accupuncture, looking to fix this incredible numbness- nothing helped, not even remotely. Three EMGs later, testing the nerves in the hand, still showing that the hand is perfectly normal and not damaged in anyway- my MS specialist along with my regular Neuro have decided that "one" of the many lesions in my brain is causing this...and the nerve damage is obviously permanent. Its been this way for three years now.
The only thing they DO know for sure is the brain is a mirror....if the problem is on the right side of your body, the lesion or damage is on the left side of your brain (and vice versa)- because my lesions are so clumped together, its hard to differentiate or even count which one could be causing the problem...at this point, the lesions are turning into holes- which means they are very old.....
Thats scary enough, but wondering for the past year, exactly what you are asking, is kind of a catch 22.....there really isnt an answer- unless you are lucky enough to have ONLY one lesion???
sorry couldnt help more, but wanted to share that with you.
nikki
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Old 01-06-2009, 05:32 PM   #5
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Re: where is the lesion on your brain that makes your left leg feel numb

I was actually going to start a post earlier in the week about this topic. I was curious as to if lesions on either your spine or in your brain (or both) caused certain symptoms. Like lesions that cause Optic Neuritis are obviously in the brain, but what about numbness / tingling / weakness. I always assumed muscle weakness was related to the spine and the same with the spine putting pressure on a nerve to cause numbness / tingling, but I was never really sure.

I guess you guys are saying that there is no really definitive way to tell?? When I got diagnosed, they said I had 2 lesions on my lower cervical / upper thorasic spine and 4 lesions in my brain (1 of which was active at the time of the MRI, and 3 were older).

 
Old 01-07-2009, 06:59 AM   #6
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Re: where is the lesion on your brain that makes your left leg feel numb

I can only respond with my own personal experience and what I experience may not be someone elses experience.

My MS, from the begining, has mainly affected me from the waist down. My first exacerbation: I was numb from the waist down, hyper-sensitive to touch of any kind -bedding, clothes, shoes, socks or even a light touch from a loved one to the point of tears. I had extreme difficulty walking and L'Hermittes.

My Brain MRI was clear but, because the MRI was relatively new at the time I was going through the diagnostic procedure I did not have a MRI of the cervical spine.

However, when my neuro diagnosed me he told me my MS was affecting the cervical spine. After all these years he has been proven correct. I have numerous cervical spine lesions and only 2 brain lesions.

When the legs or areas from the waist down are affected my first thought is the person very well may have spinal lesions.

Lesions don't always correlate with symptoms. Once you have lesions (scaring) the damage to the Central Nervous system has already been done. This causes a mis-communication/mis-firing of nerve signal/responses that can affect you in many different ways and areas.
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