they have done a bone scan and found a spot on his back but it was inconclusive as to what it was. He is going in for ct scan of his spine and abdomen. He has had a cathetor in for almost 2 months now.|||There are many things it could be. If he%26#039;s being treated for the cancer, it could be a side effect of one of the treatments. If he is receiving Neulasta or similar drugs to keep his immune system up during treatment, this could cause bone pain. It could also be that the cancer has spread to that area. He should see his doctor right away about this, if he hasn%26#039;t already.|||Infection from catheter, cancer in spine, local recurrence|||My grandfather past a way from prostate cancer several years ago. They had him cured. Then one winter he had slipped on some ice and had a lot of back pain. He went in and got it checked out. It turned out that his cancer had come back and it was in his bones. He had back pain about 2 months before he had it checked out. Hope everything goes good.|||It is probably a tumor. That is how we found out my husband had lung cancer. It had spread and he had a tumor on his spine. Good luck to your father. Stay strong.|||IT may be that he has an infection from the catheter–that could cause back pain. Does he have a fever? There would be other symptoms as well. For instance, is his urine cloudy or clear? Pale yellow or dark?