When I was 7 I had in my left tibia a simple bone cyst after 27 years later I was getting a dull ache just as I did as a child in the same leg same spot went had x rays two doctors told me anurysmal bone cyst had ct results also the same but another doctor has now sent me for a scintigraphy bone scan as he wants to be 100% can anyone tell me is this due to my previous cyst as no ones telling me anything and I'm scared