The cause of<unk>  in most cases is due to pituitary adenomas. They usually come from the anterior lobe, are functional and secrete the hormone, GH and prolactin.
Hyperpituitarism
Hypopituitarism
Hyperprolactinemic SAHA syndrome
Hypergonadotropic hypogonadism
Hypergonadotropic hypergonadism
Hypogonadotropic hypogonadism
Hyperandrogenism
Short anagen syndrome