PMC5339007_01
Study of the patient's duodenum.. Notes: (A) UGI study. Note the narrowed segment of the second part of the duodenum (arrow). (B) ACT scan. Pancreatic parenchyma encircling the second part of the duodenum is seen (arrowheads).. Abbreviations: UGI, upper gastrointestinal; ACT, abdominal computed tomography.
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Abdominal ultrasound scan was normal, but the upper gastrointestinal (UGI) study revealed a distended duodenal bulb accompanied by diffusely narrowed second portion of duodenum, suggesting extrinsic compression of the duodenum (Figure 1A). Abdominal computed tomography (ACT) demonstrated pancreatic parenchyma encircling the second portion of duodenum, and AP was diagnosed (Figure 1B).
UGIS study 3 months after the operation.. Note: Smooth passage of contrast through the bypass is confirmed (arrow).. Abbreviation: UGIS, upper gastrointestinal series.
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Postoperative UGI series (UGIS) taken 3 months later showed good passage through the bypass without evidence of extrinsic compression (Figure 2).