On behalf of my co-authors, Drs. Bhattacharya, Dominitz and Hwang, I am pleased to introduce the third edition of Yamada’s Handbook of Gastroenterology. Yamada’s Handbook is based on the Textbook of Gastroenterology and Principles of Clinical Gastroenterology by Tadataka Yamada, and is divided into two major sections: symptom-based evaluation chapters and disease-based management chapters. In addition to updating the content for this version of Yamada’s Handbook, Dr. Yamada challenged us to change the format for this version by incorporating pedagogical features that would enhance the learning experience for the reader. For this reason this version differs from previous editions of Yamada’s Handbook by providing Key Practice Points, easily identified in “call-out boxes” in each chapter, which highlight the most important factors that guide clinical care.
The case scenarios created for each chapter in Part 1: “Approach to Patients with Gastrointestinal Symptoms” are accompanied by discussions that we hope will provide the context necessary to translate medical knowledge to clinical practice. Finally, we have written a series of questions, with detailed answers located in the back of Yamada’s Handbook, that should provide a means to test and solidify the reader’s knowledge base. We hope Yamada’s Handbook of Gastroenterology is a useful companion to the Yamada Textbook of Gastroenterology and Principles of Clinical Gastroenterology, especially for readers interested in a condensed reference guiding the care of patients with gastrointestinal and liver diseases. In addition, we expect that trainees of all levels will benefit from Yamada’s Handbook by providing a solid foundation upon which they may build a comprehensive understanding of this exciting and rapidly evolving field of medicine.