Guest guest Posted June 30, 2001 Report Share Posted June 30, 2001 Sorry, I forgot to mention that has achondroplasia. > Hi everyone, > > We have been off the list for awhile, but I ran across something new. > > My son's doctor said, (6 years old) has atlantoaxial instability, basically his skull does not sit on his neck correctly. > > Anyone out there every hear of it. All I know is that it affects kids with down syndrome and they can not play contact sports. > > had a magman foramen decompression surgery when he was 3 months old, he has had many MRI's, I can believe they have > found a new thing wrong with his head. > > > > > > Quote Link to comment Share on other sites More sharing options...
Guest guest Posted June 30, 2001 Report Share Posted June 30, 2001 Hi - yes, atlanto-axial instability is inherant to SED, for one. It means that there is a problem at the C1 and C2 vertebrae. In other words, the small bone (odontoid process) protruding up from C2, which goes through a small hole in C1, on which the head sits and pivots, is underdeveloped. (in the case of SED, it might not have calcified, or turned into bone yet). Contact sports and tumbling are out, because C1 could slip off of C2, thus pinching the spinal cord. Often times, if the instability is severe enough, a fusion of C1/C2 will be performed. HTH, in San Quote Link to comment Share on other sites More sharing options...
Guest guest Posted May 9, 2004 Report Share Posted May 9, 2004 eMedicine.com " Atlantoaxial Instability " : http://www.emedicine.com/orthoped/topic503.htm I'll tell you where to go! Mayo Clinic in Rochester http://www.mayoclinic.org/rochester s Hopkins Medicine http://www.hopkinsmedicine.org Quote Link to comment Share on other sites More sharing options...
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