ArticleInternal medicine (Tokyo, Japan)2026
Duodenal Obstruction Due to a Retroperitoneal Abscess Secondary to Pyelonephritis: A Rare but Significant Complication.
Article in Internal medicine (Tokyo, Japan), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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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.
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8 authors.
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Abstract
A 74-year-old woman presented with a fever and profuse vomiting. Contrast-enhanced computed tomography (CT) showed a marked dilation of the stomach and proximal duodenum and a retroperitoneal abscess extending from the right ureter due to inflammatory spread. She was treated conservatively with nasogastric decompression and intravenous antibiotics, thus leading to a gradual resolution of both the obstruction and the abscess. This case highlights a rare but important complication of a urinary tract infection, emphasizing that extrinsic inflammatory etiologies should be considered in the differential diagnosis of duodenal obstruction, and that timely recognition may allow for successful conservative management without the need to perform any invasive procedures.
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