What is the chance of the tumor reappearing after radiation treatment?
There is roughly a 95% chance of controlling your tumor s growth and 60-80% chance of controlling activity of hormonally active tumors although this does vary depending on the details of your tumor. If the tumor is controlled, it is unlikely for it to recur. 15. What are the long-term side effects of radiation treatment? Radiation can decrease levels of one or more hormones produced by the pituitary gland. The risk of hormone deficiencies is very low immediately following radiation, but gradually increases over the years. Some patients develop hormone deficiencies a year or two after radiation, while others may have normal levels for 10 or 20 years and then develop low hormone levels. These deficiencies are treatable with replacement hormones. Because of this, it is important that you continue under close care with your endocrinologist. It is uncommon to develop injury to the brain or vision and even more rare to develop a radiation-induced tumor. All of these unlikely but serious even
