Pituitary disorders generally occur when the pituitary gland is either too active or not active enough. Often there is a discrete piece of pituitary gland which leads to the problems, this is called a pituitary adenoma (if it is large it may be called pituitary macroadenoma). These are usually benign, non-cancerous tumours. Pituitary adenomas can cause problems through:
This is a companion discussion topic for the original article at https://patient.info/hormones/pituitary-gland-disorders