By Angela D. Levy, Koenraad J. Mortele, Benjamin M. Yeh
Gastrointestinal Imaging offers a finished assessment of gastrointestinal pathologies in most cases encountered by means of practising radiologists and citizens in education. Chapters are prepared by means of organ process and contain the Pharynx and Esophagus, abdominal, Small Bowel, Appendix, Colon, Anorectum, Liver, Gallbladder, Bile Ducts, Pancreas, Spleen, Peritoneum, Mesentery, and belly Wall, and a bankruptcy on multisystem issues. a part of the Rotations in Radiology sequence, this booklet deals a guided method of imaging analysis with examples of all imaging modalities complimented through the fundamentals of interpretation and strategy and the nuances essential to arrive on the most sensible analysis. every one pathology is roofed with a specific dialogue that studies the definition, medical beneficial properties, anatomy and body structure, imaging strategies, differential prognosis, medical matters, key issues, and extra studying. This association is perfect for trainees' use in the course of particular rotations and for examination evaluation, or as a short refresher for the verified gastrointestinal imager.
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Extra info for Gastrointestinal Imaging
Early reflux esophagitis may be manifest on double-contrast studies by a finely nodular or granular appearance of the mucosa with poorly defined radiolucencies that fade peripherally owing to edema and inflammation (Figure 6-1). This nodularity or granularity almost always extends proximally from the gastroesophageal junction as a continuous area of disease. As the disease progresses, some patients may develop shallow ulcers and erosions in the distal esophagus. The ulcers may have a punctate, linear, or stellate configuration and are often associated with halos of edematous mucosa, radiating folds, or sacculation of the adjacent wall (Figure 6-2).
Management/Clinical Issues Investigators have shown that double-contrast esophagography can be a useful imaging test for Barrett’s esophagus in patients with reflux symptoms when these individuals are classified as being either at high, moderate, or low risk for Barrett’s esophagus based on specific radiologic criteria. Patients who are classified at high risk for Barrett’s esophagus because of a midesophageal stricture or ulcer or a reticular pattern are almost always found to have this condition, so endoscopy and biopsy should be performed for a definitive diagnosis.
Herpes esophagitis in otherwise healthy patients: clinical and radiographic findings. Radiology. 1992;182:859–861. Sor S, Levine MS, Kowalski TE, et al. Giant ulcers of the esophagus in patients with human immunodeficiency virus: clinical, radiographic, and pathologic findings. Radiology. 1995;194:447–451. Levine A. Reflux Esophagitis/Peptic Scarring/Barrett’s Esophagus Definition Gastroesophageal reflux disease (GERD) can lead to a variety of morphologic sequelae, including reflux esophagitis, peptic strictures, and Barrett’s esophagus—a premalignant condition associated with an increased risk of developing esophageal adenocarcinoma.
Gastrointestinal Imaging by Angela D. Levy, Koenraad J. Mortele, Benjamin M. Yeh