Can an endocrinologist help me ? I have osteoporosis/osteopinia(Sp?/osteoarthritis.....the doctors all call it by a different name. I have been on Boniva, Vitamin C, Vitamin D3, and lots of Calcium for over 5 years. My bone density has not improved. I need back surgery, but my bones are too thin. I am in a lot of pain, and I don t know what to do. I would appreciate your help.