This book covers all one needs to know about the utility of endomicroscopy in the diagnosis and management of gastrointestinal diseases. It provides a comprehensive description of the latest in diagnostic criteria and advances in the basic science pertaining to endomicroscopy of the gastrointestinal system. Each chapter introduces the key histologic, endoscopic, and endomicroscopic features of common gastrointestinal conditions, with generous illustration using typical images. The book will provide the practicing physicians with the principles of practice, and procedural techniques of endomicroscopy, as well as demonstrate the bench-to-bedside translational potential of endomicrosocpy in helping endoscopists manage their patients' gastrointestinal conditions. This book fills an enormous gap in providing a much needed atlas in GI endomicroscopic diagnosis. Readers can learn the diagnostic criteria of various gastrointestinal conditions as illustrated by high quality endoscopic, endomicroscopic and histology images. It contains the most extensive review of currently published studies of endomicroscopy in gastrointestinal conditions. It has numerous high quality endomicroscopic images along with high definition endoscopy and histology images illustrating the common gastrointestinal diseases. It will provide a platform for standardizing endomicroscopic practice and learning.