<prompt> Answer this question truthfullyWhat information is available on pituitary adenoma?  <response>: <reason> Your health care provider will perform a physical examination. The provider will note any problems with double vision and visual field, such as a loss of peripheral vision or the ability to see in certain areas.Endocrine function tests include:Cortisol levels:Dexamethasone suppression test Urine cortisol testFollicle-stimulating hormone FSH levels Insulin like growth factor-1 IGF-1 levels Luteinizing hormone LH levels Serum prolactin levels Testosterone estradiol levels Thyroid hormone levels:Free T4 test TSH testTests that help confirm the diagnosis include the following:Formal visual field testing MRI of head 