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Updated: Jul 4, 2026

Multimodality Diagnosis of Mesenteric Ischemia
Published on: July 21, 2023
Unique intestinal CT imaging with bleeding from a duodenal diverticulum following myelodysplastic syndrome
Kichinosuke Kobayashi1, Taiji Yokote, Toshikazu Akioka
1Department of Internal Medicine (I), Osaka Medical College, Takatsuki. in1268@poh.osaka-med.ac.jp
Abstract:
Duodenal diverticula generally occur in 2.5% of upper gastrointestinal examinations and are usually asymptomatic, but can cause hemorrhage on rare occasions. The frequency of gastrointestinal hemorrhage in patients with MDS or hematologic neoplasm caused by duodenal diverticulum is not known. Therefore, the correct diagnosis of intestinal hemorrhage is important, as severe enterocolitis may cause a patient with MDS to bleed from the diverticulum.
Insights
Duodenal diverticula, though usually asymptomatic, can rarely cause gastrointestinal bleeding. This study highlights the importance of diagnosing intestinal hemorrhage in patients with myelodysplastic syndromes (MDS) or hematologic neoplasms.
Area of Science:
- Gastroenterology
- Hematology
Background:
- Duodenal diverticula are found in 2.5% of upper gastrointestinal examinations.
- These diverticula are typically asymptomatic but can lead to rare instances of hemorrhage.
Observation:
- The incidence of gastrointestinal hemorrhage specifically caused by duodenal diverticula in patients with myelodysplastic syndromes (MDS) or hematologic neoplasms remains unknown.
- Severe enterocolitis can precipitate bleeding from a duodenal diverticulum in patients with MDS.
Findings:
- Accurate diagnosis of intestinal hemorrhage is crucial in patients with MDS or hematologic neoplasms.
- Identifying duodenal diverticulum as a source of bleeding is essential for appropriate management.
Implications:
- This emphasizes the need for vigilance in diagnosing gastrointestinal bleeding sources in immunocompromised patients.
- Understanding this association can improve patient outcomes and guide clinical decision-making in hematology and gastroenterology.
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