Virtual Colonoscopy : A Practical Guide Virtual colonoscopy or CT colonography is a novel and rapidly evolving technique for the detection of tumoral lesions in the colon. It promises to be of great value as a screening tool for both colorectal cancer and its adenomatous precursor. With contributions from several leaders in the field this book addresses all the important issues relating to virtual colonoscopy. There is a particular focus on practical aspects: how to start virtual colonoscopy in a department the regular preparation the importance of fecal tagging how to reduce the preparation how to obtain optimal colonic distension and the correct scanning parameters. Imaging characteristics and pitfalls are considered in detail with an extensive pictorial review of difficult lesions and the importance of computer aided diagnosis is discussed. This book will be invaluable to every radiologist seeking information on how to perform the exciting technique of virtual colonoscopy. TOC:Introduction: Why We Do CTC. Starting CT Colonography in Your Department. The Eligible Patient Indications and Contra Indications. The Regular Preparation for CTC. The Alternative: Dietary Faecal Tagging . How to Get the Colon Distended The Right Scanner Parameters to Use. How to Read the Data Sets How to Avoid Pitfalls in Imaging: False Positives. The Difficult Lesions: How to Take Care of. False Negatives. 3D Imaging: Invaluable for the Correct Diagnosis The Future: A Word about CAD. The Future: A Word about Prepless. Quality and Consistency in Reporting CT Colonography. Virtual Colonoscopy beyond Polyp Detection. Pictorial Overview of Typical Normal Anatomy and Pathology. Subject Index. List of Contributors.