recurrent pituitary tumor

Posted By sam on December 28, 1998 at 02:09:43:







my father(age 52) had a transphenoidal surgery to remove a benign pituitary tumor in 1990. Yesterday a MRI showed that it has recurred. We did the test because of his having high blood pressure. No visual field loss is present as yet.
My questions are:
1. Does recurrence of a pituitary tumor imply malignancy?
2. What are the ways of treating recurrent tumors surgery or radiation or both?
3. What is proton beam radiosurgery?
4. Are pituitary tumors invariably benign?
5. He was doing thyroxine and other endocrine tests which were normal upto the last two months. Does this mean the tumor has grown in 2 months?
please help!!