Selective Contrast Enhanced Studies

Although a small bowel series is useful for obtaining objective images of lesions in the small intestine, it may be difficult to delineate lesions because some portions of the intestine intricately intertwine and overlap. Combining a contrast study and double-balloon endoscopy is useful because inflation of the balloon at the endoscope tip prevents backflow of a contrast agent and allows selective enhancement (Fig. 10.1.6).

Fig. 10.1.6. Endoscopic observation and selective, contrast-enhanced radiography with a double-balloon endoscope a Endoscopic view of gastrointestinal stromal tumor (GIST) of the jejunum b Selective, contrast-enhanced radiograph obtained with a double-balloon endoscope in the same patient

Fig. 10.1.6. Endoscopic observation and selective, contrast-enhanced radiography with a double-balloon endoscope a Endoscopic view of gastrointestinal stromal tumor (GIST) of the jejunum b Selective, contrast-enhanced radiograph obtained with a double-balloon endoscope in the same patient

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