Ulcus Dieulafoy des Rektums

Vogel, C.; Hansen, H.H.; Fery, Klaus; Stolte, Manfred

doi:10.1007/s00053-009-0026-6

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Clinical Relevance Of the Model: Results And Discussion2

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Cited by 2 publications

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“…It is exposed to the constant contraction of the sphincter muscle and the pelvic floor which may cause a long lasting limitation of influx. The singular ulcer of the rectum is strictly confined to the affected anterior wall of the rectum and it closely resembles the rotationally symmetric shape of duodenal ulcer 67,68 .…”

Section: Clinical Relevance Of the Model: Results And Discussionmentioning

confidence: 76%

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A Differential Approach to Form and Site of Peptic Ulcer

Rau

Hohaus²,

Jessen³

2019

Sci Rep

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The structural organization of intestinal blood flow is such as to allow for intramural collateral flow. Redistribution phenomena due to different local metabolic demands may lead to an impaired perfusion of parts of the intestinal wall which will display a characteristic pattern. Based on Ohm’s and Kirchhoff’s laws, a differential analysis of the gastric vascular bed bridges the gap between basic physiological concepts and traditional anatomical, pathological and clinical knowledge. An ulcer of the intestinal wall becomes understandable as a non-occlusive infarct based on a supply/demand conflict in an anisotropic structure as it can be found in the upper and lower gastrointestinal tract of man.

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Section: Clinical Relevance Of the Model: Results And Discussionmentioning

confidence: 76%

“…However, such small necroses around a central artery are in the scope of the partial differential model without this additional assumption. Dieulafoy’s lesions have been described not only in the upper gastrointestinal tract but also in the rectum 68,75 .…”

Section: Clinical Relevance Of the Model: Results And Discussionmentioning

confidence: 99%