The title of this book is "Lessons learnt from the accomplishment of 2000 cases of transsphenoidal pituitary surgery". This means that to learn pituitary disease with efficiency, the shortest way is to take a glance at this book! This book is a complete survey of my personal 26-year experience with pituitary surgery via the transsphenoidal approach. The selected papers in this book have been newly revised in an attempt to clarify the natural course of the patients who underwent these surgeries, and to present the most up-to-date findings in the diagnosis and treatment of pituitary diseases....