The purpose of endoscopic ultrasonography (EUS) is to overcome the limitations of traditional transcutaneous ultrasonography by directly approaching target lesions with a high-frequency ultrasound source via the gastrointestinal lumen. This book has four specific aims: - to evaluate the technique and the equipment for endoscopic ultrasonography - to discuss in detail the endosonographic pattern of the normal and abnormal wall structure - to analyze a large consecutive series of various gastrointestinal malignancies in order to determine the usefulness and accuracy of EUS in the detection, staging and therapy of malignant diseases - and, finally, to compare EUS with other imaging techniques. | Endosonography in Gastroenterology by T Lok Tio, Paperback | Indigo Chapters