Tags: Disease.
A Pituitary disease is a disorder primarily affecting the pituitary gland.The main disorders involving the pituitary gland are: Over- or underproduction of a pituitary hormone will effect the respective end-organ. For example insufficient production (hyposecretion) of thyroid stimulating hormone (TSH) in the pituitary gland will cause hypothyroidism while overproduction (hypersecretion) of TSH will cause hyperthyroidism.