Here are a few articles that will be helpful in understanding bone scans:
http://www.lifesteps.com/gm/Atoz/ency/bone_nuclear_medicine_scan.jsp
http://www.webmd.com/a-to-z-guides/bone-scan
Bone scans detect inflammation, cancer and new bone growth......
For information on Shwachman-Diamond Syndrome check out Shwachman-Diamond America
