ArticleRadiology case reports2025
Radiology insights into Petersen's hernia complication of post Roux-en-Y gastric bypass.
Article in Radiology case reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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Who cites it
1 citing paper in PubMed.
- Ectopic Variceal Bleeding due to Petersen Hernia: A Rare Cause of Recurrent Gastrointestinal Hemorrhage.ACG case reports journal · 2025Article
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Following gastrojejunostomy in Roux-en-Y gastric bypass (RYGB), the mesentery is susceptible to Petersen's hernia due to a mesenteric gap created between the alimentary limb, transverse mesocolon, and retroperitoneum. Although the Petersen's hernia is a rare complication, it has increased due to the widespread adoption of gastric bypass surgeries for weight management and gastric cancer resections. Computed tomography (CT) is commonly used to evaluate suspected cases. We present a case of a 36-year-old female who developed Petersen's hernia 3 weeks post RYGB. This report highlights key radiologic features, such as the whirl sign and mushroom-shaped mesentery in recognizing Petersen's hernia. Given the small sample sizes in current literature, this case contributes valuable evidence to aid clinicians in radiologically detecting Petersen's hernia.
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