Caption: Sagittal image of the epigastric region
Description: The pyloric channel appears significantly elongated and the thickened, hypoechoic muscular layers are well appreciated. The pyloric lumen is reduced and the apposed echogenic mucosal layers of both sides are noted.
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Caption: Transverse image of the pyloric region
Description: The wall of the pylorus is thickened, measuring 6.5 mm. This image demonstrates the typical target sign.
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