Some. A sella turcica scan by non-contrast MRI is a good test to find a pituitary adenoma. Some blood tests to check for pituitary hormone levels can tell some, especially is you have a pituitary adenoma to see if it is secreting hormones at a higher level and that medication therapy may be needed.
Depends. A good source to review and which may answer your questions is: http://www. Med. Nyu. Edu/content? Chunkiid=96789 if you have more specific questions after reviewing this website please write back.