PMC6560974_01
Barium enema: an apple core appearance in the pre-pyloric region
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It was decided to perform an upper gastro-intestinal barium X-Rays, which showed a distended stomach and a very weak passage of the contrast through a stenotic zone in the pre-pyloric region (Figure 1).
Abdominal CT (coronal view): asymmetric and enhanced wall thickening of the gastric antrum (asterisk)
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A subsequent abdominal computed tomography (CT) showed an asymmetric and enhanced 71 x 35mm wall thickening of the pre-pyloric region (Figure 2).
Cut surface of the pre-pyloric region: a diverticulum with a narrow neck (yellow arrow): a brownish lesion adjacent to the diverticulum (red arrow); insert: the diverticulum (asterisk) reaches the muscularis layer on histology (haematoxylin and eosin)
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A nodular brownish lesion measuring 15 x 10mm and containing distended blood vessels was noticed close by the diverticulum (Figure 3).