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The Antral Pad Sign¹

¹ From the Department of Radiology, Seth G. S. Medical College and KEM Hospital, Parei, Mumbai 400012, India. Received May 7, 2002; revision requested July 15; revision received November 7; accepted November 14. Address correspondence to the author (e-mail: ashwinasrani@yahoo.com).

View larger version (133K): [in a new window]   Figure 1. Frontal radiograph of upper gastrointestinal tract obtained with orally administered barium shows the arcuate impression (arrow) being caused on the antrum by an adenocarcinoma of the pancreatic head.

View larger version (134K): [in a new window]   Figure 2. Frontal radiograph of the upper gastrointestinal tract obtained with orally administered barium shows large smooth extrinsic impression on the antrum caused by pancreatic pseudocyst (arrows).

View larger version (126K): [in a new window]   Figure 3. Contrast-enhanced transverse computed tomographic section of the abdomen shows how the antral pad sign is produced by a pancreatic pseudocyst (single arrow). Double arrows indicate the antrum.