question: For the last several months, I have been having lower dack pain . I went to the doctor and he sceduled me to have an MRI . He told me my L4 and L5 disc were abnormal. He sent me to a neuro specialist, which when he read the MRI, He started I had a dark spot on my spine near the affected disc.. I now have to take a bone scan and I an extemely anxious about what this could be. What do you think?