had mri for potential lumbar disc problem, (which i do apparantly have, but not nerve entrapment) its been identified that i have two joint kidneys, and the osteo who was very cagey said possible urine passing back up to kidneys. He was very surprised that i was not in more pain that I am, and on reading this might be that there is something going on as it seems that renal fusion does not necessarily cause problems, if asymptomatic. He asked me lots and lots of probing questions before telling me what was found and seemed nervous about telling me! I am now symptom spotting...
Anyway, he called me late yesterday, and said he is contacting my own gp to arrange an ultra-sound 'just worth checking it all out' he said. DH thinks this is a good thing as if a problem i would be sent to hosp not gp.
anyway. its all new, i know little about it and would like more info, other than I appear to be a bit mutant 
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I have read some stuff that suggests my aggrevated lumbar pain might be linked. osteo said it might be, but clearly does not know.