Em, have you sent x-rays/details to the Greenberg Skeletal Dysplasia centre at John Hopkins in the USA (home of OMIM - online Mendelian Inheritance in Man)? I think they're meant to be the best in the world for diagnosing skeletal dysplasias. Here's the URL:
www.hopkinsmedicine.org/geneticmedicine/CR/SKD/index.html
You've probably seen/heard of them before since you've been trawling the Internet for whatever info you can find, but that's just my offering in case it helps! I've not had any dealings with them other than to send Professor Victor McKusick a "groupie" letter because he's just done some awesome things into all genetics, AND a lot of stuff into EvC. He didn't reply, but I may badger him again in future years. I'm such a saddo! LOL!
Looking at your adorable little man (no pun intended!) he definitely has a form of short-limb dwarfism. Like A, he can't touch the ground with his hands when he's sitting on his bum, and his legs are definitely wee. A is 3 and he's wearing 18-24 month trousers, as long as you roll up the bottoms. His best fitting trousers are the 3/4 length/Bermuda shorts-style that has been popular this summer. I bought LOADS of them! They look like normal trousers on him and I don't have to take them up. The other problem he has, is that his pelvis is tiny too so I have to fold over the tops of his trousers because the waist is way too high and doesn't sit right. I also have to cinch it in as much as poss. Do you think you'll have that prob with your DS?
PLease email me via my website if you like. I'd love to swap pics and notes. I sent a pic of A to an online mate of mine recently and she said that her eyes nearly fell out of her head because she'd never seen another little boy who looked so physically similar to her DS before!
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Saggar - That's so cool that the epiphysiodesis is reversible!! I wonder if he could have got away with 4 8-plates, rather than using so much metalwork. I heard about the 8-plate when we last saw A's ortho consultant. She said he'd be a good candidate for it if he develops the typical EvC valgus knees. It looks really cool - as far as ortho procedures go.
The op we want for A is simple from an orthopaedic point of view, but there'll need to be some rejigging of muscles/blood vessels and nerves to make it good. In the US (Columbus - yes Em, that's the one!) the op is done by cardiothoracic surgeons in conjunction with plastic surgeons, whom I presume do the muscle/periosteal and vessel/nerve stuff. I probably sound a bit harsh wanting invasive/risky surgery for A, but he can grow new lung tissue (new alveoli, more bronchioles etc) until he is 8 years old, so the sooner he gets space to do that, the better! After the age of 8, the lungs are only capable of maintaining themselves, so if the op was done close to then, all they'd do is inflate to fill the space.
I feel we've been really patient re the vent. I haven't pushed the docs to tell me when he's getting off it because I know they can't answer that, but things aren't getting any better, and this offers A a chance of getting off the vent, so why the hell not, hm? I can only imagine how fabulous life will be with a child who's not anchored to a blimmin machine!!!