Diverticula of Esophagus (Zenker’s) DEFINITION: Zenker’s Diverticula: upper esophageal diverticula Traction Diverticula: midesophageal diverticula Epiphrenic Diverticula: distal esophageal diverticula PATHOPHYSIOLOGY: Zenker’s: Impaired cricopharyngeal compliance, usually due to fibrotic changes, causes…
Barrett’s Esophagus (BE) (Gastroenterol 2006;131:1392-99 & 2005;128:1468-70. Am J. Gastroenterol 2002;97:1888-95) DEFINITION: Barrett’s esophagus (BE) is displacement of the squamocolumnar junction (SCJ) proximally to the gastroesophageal junction (GEJ) and intestinal…
Differential Diagnoses for Abdominal and Pelvic Magnetic Resonance Imaging Successful implementation of abdominal and pelvic magnetic resonance imaging (MRI) consists of the following steps: creation of high-quality images, detection of…
Magnetic Resonance Imaging Appearance of 101 Abdominal and Pelvic Abnormalities Guide to this Section This section provides the reader with a quick reference to the typical magnetic resonance imaging (MRI)…
Magnetic Resonance Imaging Acronyms and Abbreviations To many radiologists, the world of magnetic resonance imaging (MRI) is like a secret society, consisting of a few radiologists, physicists, and equipment manufacturers…
What the Surgeon Needs to Know: Preoperative Assessment of Patients with Selected Tumors and Organ Transplant Candidates This section addresses the need to keep the referring physician’s interests and potential…
Glossary of Magnetic Resonance Imaging Terms Aliasing: Sometimes used to refer to wraparound artifact, which results when portions of the body outside of the field of view are spatially mismapped…
Modifying Sequence Parameters This section describes the effects of modifying many of the user-defined parameters commonly encountered in abdominal and pelvic MRI. The primary (but not only) role of each…
Atlas of Abdominal and Pelvic Magnetic Resonance Imaging Anatomy Organs of The Upper Abdomen (Figs. 4.1, 4.2, 4.3) FIG. 4.1. Axial T1-weighted anatomy of abdomen. A: 1, fissure for ligamentum…
