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Member
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Join Date: Jan 2009
Location: Paradise
Posts: 855
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Member
Join Date: Jan 2009
Location: Paradise
Posts: 855
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Quote:
Originally Posted by MysteryPainMom
We have been trying to get a diagnosis for my daughter since April. (I know that isn't very long in comparison to how long it took for many here.) One of the first things that was done was a three phase bone scan. This was not a long test. They only did one scan of each area. It showed decreased uptake in the suspected RSD leg. The radiologist told the orthopedist that if it was RSD you would expect to see the opposite. (decreased uptake in the right, or increased uptake in the left I assume.) Does this mean that the bone scan could have indicated RSD from the beginning and they just didn't know it? 
I learn so many things here.
Thanks.
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Don't have it in front of me, but there is a fairly new paper out describing "hot vs. cold" RSD. This is gauged by the temperature of the extremity. They then go into the whole SMP vs. SIP thing and explain that while there seems to be these two seperate (hot/cold) types, many of the "hot" turn into "cold" RSD down the road. The cold don't change. From what I recall, this change occurred in a few months post-injury and the cold, I think, didn't respond well to sympathetic blocks. But again, I don't have the paper in ffront of me.
Since the temperature change is related to vasular flow, which is key on a bone scan, it would seem that there would also be a change noted on bone scan between the two. Thought it was interesting...
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