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Radiography can detect changes in size, shape and contour of an organ. Ultrasonography compliments radiography because the internal structure can be identified. However, surgical exploration or an ultrasound-guided biopsy are necessary to determine the exact disease process.
Upper Gastrointestinal series in a dog using barium sulfate. |
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Close-up of the small intestinal tumor, which disrupts the column of barium in the intestine giving an "apple core" effect. |
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