Lower gastrointestinal bleeding echocardiography and ultrasound: Difference between revisions
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==Overview== | ==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. | |||
==Echocardiography/Ultrasound== | ==Echocardiography/Ultrasound== |
Revision as of 15:12, 12 December 2017
Lower gastrointestinal bleeding Microchapters |
Differentiating Lower gastrointestinal bleeding from other Diseases |
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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.
Echocardiography/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. |