This issue provides a completely updated review of bowel imaging across the modalities. Topics include CT enterography, CT evaluation of small bowel obstruction, CT evaluation of GI bleeding and mesentecric ischemia, CT colonography: Pitfalls in interpretation, MR enterography, MR colonography, Transabdominal ultrasound for bowel evaluation, MR for rectal cancer staging, Enteroclysis: fluoroscopic and CT techniques and Endoscopic techniques for small bowel imaging.? Readers will be thoroughly up to date on bowel imaging techniques and pitfalls after reading this issue.

With collaboration of Dr. Alan Buchman, Consulting Editor, Dr. Perry J. Pickhardt has created a comprehensive issue of Gastroenterology Clinics that looks at imaging techniques for gastrointestinal diseases. Experts in their respective fields have contributed clinical reviews in the following areas: Evaluation of Dysphagia: The Role of Barium Fluoroscopy; CT and MR Small Bowel Enterography: Current Status and Future Trends; Radiologic Assessment of Gastrointestinal Bleeding; CT Colonography: Implementation for Screening; Rectal MR for Cancer Staging and Surveillance; Defecography (fluoro vs MR); Noninvasive Imaging Techniques for Staging Liver Fibrosis; HCC Screening: Comparison of US, CT, and MR Approaches; Pancreatic Cystic Lesions; Overview of biliary imaging; Splenomegaly: Clinico-Radiologic Approach to the Differential Diagnosis; MR for Non-Traumatic Acute Abdominal Pain: Comparison with CT and US; and PET/MR: Current Clinical Status and Future Prospects. Gastroenterologists will come away with the knowledge they need to understand the latest imaging modalities for diagnosis and assessment of gastrointestinal diseases and disorders.