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Current role of CT in imaging of the stomach Horton KM; Fishman EKRadiographics 2003[Jan]; 23 (1): 75-87Recent advances in computed tomographic (CT) technology and three-dimensional (3D) imaging software have sparked renewed interest in using CT to evaluate gastric disease. Multidetector row CT scanners allow thinner collimation, which improves the visualization of subtle tumors as well as the quality of the 3D data sets. When water is used as an oral contrast agent, subtle disease is easier to visualize, especially when a rapid contrast material bolus is intravenously administered. Adenocarcinoma is the most common gastric malignancy and typically appears as focal or segmental wall thickening or a discrete mass. Gastric lymphoma can have a CT appearance similar to that of adenocarcinoma. Both gastric adenocarcinoma and lymphoma may be associated with adenopathy. Gastrointestinal stromal tumors (GISTs) tend to appear as well-defined masses that arise from the gastric wall and may be exophytic when large. GISTs are usually not associated with significant adenopathy. In addition to gastric malignancies, CT can also help detect inflammatory conditions of the stomach, including gastritis and peptic ulcer disease. CT angiography is especially helpful for depicting the gastric vasculature, which may be affected by a variety of disease conditions.|*Imaging, Three-Dimensional[MESH]|*Tomography, X-Ray Computed[MESH]|Angiography[MESH]|Contrast Media[MESH]|Humans[MESH]|Stomach Diseases/*diagnostic imaging[MESH]|Stomach Neoplasms/*diagnostic imaging[MESH]|Water[MESH] |
