Pituitary adenomas : historic considerations -- Anatomy of the pituitary gland and Sellar Region -- Hypothalamic-pituitary physiology and regulation -- Epidemiology of pituitary tumors -- Pathogenesis and molecular biology of pituitary tumors -- Experimental models of pituitary tumorigenesis -- Pathology of pituitary adenomas and pituitary hyperplasia -- Molecular pathology of pituitary tumors -- Diagnosis, management, and prognosis of pituitary tumors : general considerations -- Neuro-ophthalmologic evaluation of pituitary tumors -- Imaging of pituitary tumors -- Positron emission tomography in Sellar tumors : in vivo metabolic, receptor, and enzyme characterization -- Pituitary surgery -- Medical therapy of pituitary tumors -- Radiation therapy of pituitary tumors : including stereotactic radiosurgery -- Prolactinomas -- Somatotroph adenomas : acromegaly and gigantism -- Corticotroph adenomas : Cushing's Disease and Nelson's Syndrome -- Thyrotroph adenomas -- Clinically nonfunctioning pituitary adenomas -- Pituitary tumors in children -- Invasive pituitary adenoma and pituitary carcinoma -- Sellar tumors other than adenomas -- Tumor-like lesions of the Sellar Region -- Pituitary tumors : future perspectives.