Lower gastrointestinal bleeding echocardiography and ultrasound: Difference between revisions
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There are no specific ultrasound findings associated with lower gastrointestinal bleeding. However, ultrasound can be useful in diagnosing various etiology or conditions responsible for lower gastrointestinal bleeding. | There are no specific ultrasound findings associated with lower gastrointestinal bleeding. However, ultrasound can be useful in diagnosing various etiology or conditions responsible for lower gastrointestinal bleeding. | ||
== | ==Ultrasound== | ||
Ultrasound can be helpful in the diagnosis of lower gastrointestinal bleeding. Transabdominal ultrasound is a non-invasive and repeatable imaging study that can be performed easily without bowel preparation. Findings on an ultrasound suggestive of lower gastrointestinal bleeding include: | Ultrasound can be helpful in the diagnosis of lower gastrointestinal bleeding. Transabdominal ultrasound is a non-invasive and repeatable imaging study that can be performed easily without bowel preparation. Findings on an ultrasound suggestive of lower gastrointestinal bleeding include: | ||
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Revision as of 15:13, 12 December 2017
Lower gastrointestinal bleeding Microchapters |
Differentiating Lower gastrointestinal bleeding from other Diseases |
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Lower gastrointestinal bleeding echocardiography and ultrasound On the Web |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] ; Associate Editor(s)-in-Chief: Aditya Ganti M.B.B.S. [2]
Overview
There are no specific ultrasound findings associated with lower gastrointestinal bleeding. However, ultrasound can be useful in diagnosing various etiology or conditions responsible for lower gastrointestinal bleeding.
Ultrasound
Ultrasound can be helpful in the diagnosis of lower gastrointestinal bleeding. Transabdominal ultrasound is a non-invasive and repeatable imaging study that can be performed easily without bowel preparation. Findings on an ultrasound suggestive of lower gastrointestinal bleeding include:
Ultrasound findings of various diseases causing LGIB | |||
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Disease | Site | Gut findings | Perigut findings |
Ulcerative colitis | Entire colon or left colon including rectum | Preserved stratification | Normal perigut fat |
Ischaemic colitis | Descending colon | Preserved or lost stratification | Normal perigut fat |
Infectious colitis | Right colon and terminal ileum | Preserved stratification | Thickening of perigut fat Enlarged lymph node |
Crohn's disease | Caecum including the terminal ileum Skip lesion | Preserved or lost stratification
Focal destruction of stratification |
Thickening of perigut fat Enlarged lymph node
Abscesses, fistula |
Colorectal cancer | Localized | Lost stratification | Normal perigut fat |
Stratification: Caused by infiltration of the submucosa by tumour or fat. |