did anyone actually explain just what that "extradural defect" is all about? what it actually is or consists of just neeRAB to be much more further explored and identified right now since it would appear from the description that while this is NOT 'in' the spinal cord itself,i t IS within that spinal canal, only outside that protective dura or the thecal sac that surrounRAB the spinal cord. THAT finding just neeRAB further testing. there is another type of MRI called a "3T or 3 tesla" scan that actually uses three times the magnestism than a regular MRI uses that could be a bit more helpful in identifying this finding.
do you know if they actually used a contrasting agent for these pics or were these just done without it being added(he would have been given a IV for the second part of the MRI if they did). the contrast can just help in seeing certain findings a bit more clearly or even bring out ones that were not even visable upon the regular non contrasted MRI.
was this MRI ordered by his primary doc or have you actually been referred to a good ortho sugeon who ordered this for him? either way, he DOES need to be seen and have this whole thing and him evaluated by an ortho to just really know where to even begin here. this could be something that only a neuorsurgeon can do too just given that inter canal finding and whatever it turns out to be. it is kind of hard to know for certain given that description whether or not this is even IN that canal, but it really does sound like it from the overall description of it by the interpretting rad as being 'extra dural' it just means "outside the dura". butthat would sound to me like it is IN that canal but not IN the dura surrounding the cord,so that IS a really good thing there anyways. but i do think seeing both an ortho first then getting that very important second opinion from an actual neurosurgeon too would be you very best bet. i am a huge advocate of getting second opinons after my particular nightmare with my spinal cord occured. i actually got three seperate opinions on my situation only becasue of the two others being completely opposite each other in what i was told. great help.
just what exact symptoms is your son describing to you or what you are seeing in him as far as things that appear not normal for him types of movements or changes in his normal walking habits? the symptoms that anyone with a spinal issue is displaying or feeling, of any kind really are as important as seeing the MRIs are. not everything is always picked up on any given scan. that is why any given symptoms REALLY have the most impact as far as things that could be being affected yet nothing shows up well on any given scan?
good luck with this and do please keep us posted. marcia