Meckel's diverticulum laboratory findings: Difference between revisions

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==Overview==
==Diagnosis==
Laboratory findings are non specific and do not distinguish Meckel's diverticulum from other sources of [[gastrointestinal bleeding]]. Laboratory findings in [[Patient|patients]] may show [[Hypovolemia|volume depletion]], features of [[anemia]] (such as decreased [[hematocrit]], decreased [[hemoglobin]] levels and positive [[stool guaiac test]]).  
A [[technetium-99m]] (99mTc) pertechnetate scan is the investigation of choice to diagnose Meckel's diverticula. This scan detects [[gastric mucosa]]; since approximately 50% of symptomatic Meckel's diverticula have ectopic gastric ([[stomach]]) cells contained within them, this is displayed as a spot on the scan distant from the stomach itself. Patients with these misplaced gastric cells may experience peptic ulcers as a consequence. Other tests such as [[colonoscopy]] and screenings for [[bleeding disorder]]s should be performed, and [[angiography]] can assist in determining the location and severity of bleeding.
==Laboratory Findings==
* Laboratory findings are non specific and do not distinguish [[Meckel's diverticulum]] from other sources of [[gastrointestinal bleeding]]. 
* Laboratory findings in [[Patient|patients]] may show:
** [[Hypovolemia|Volume depletion]]
** [[Anemia]]:<ref name="pmid24618562">{{cite journal |vauthors=Theillac M, Jouvet JC, Boussel L |title=Meckel's diverticulum revealed by microcytic anemia: the contribution of CT enteroclysis |journal=Diagn Interv Imaging |volume=95 |issue=6 |pages=625–7 |year=2014 |pmid=24618562 |doi=10.1016/j.diii.2014.01.014 |url=}}</ref><ref name="pmid12424418">{{cite journal |vauthors=Al-Onaizi I, Al-Awadi F, Al-Dawood AL |title=Iron deficiency anaemia: an unusual complication of Meckel's diverticulum |journal=Med Princ Pract |volume=11 |issue=4 |pages=214–7 |year=2002 |pmid=12424418 |doi=10.1159/000065810 |url=}}</ref>
*** Decreased [[Hematocrit]]  
*** Decreased [[Hemoglobin]]  
*** Positive [[Stool guaiac test|stool guaiac]] test


'''Positive Technetium-99m pertechnetate scan'''
== References==
{{Reflist|2}}


<gallery>
[[Category:Gastroenterology]]
Image:
[[Category:Pediatrics]]
 
Positive-meckels-scan-001.jpg
 
</gallery>
 
===Imaging Findings===
 
* Meckel diverticulum is identified as a saccular, blind-ending structure located on the antimesenteric border of the ileum.
* Meckel diverticulum is usually found in the right lower quadrant and pelvic region.
* The junction of the diverticulum with the ileum may show a mucosal triangular plateau or triradiate fold pattern (represents the site of omphalomesenteric duct attachment to the ileum).
* Filling defects within the diverticulum may represent enteroliths, fecoliths, or foreign bodies.
* Technetium-99m pertechnetate scintigraphy is the modality of choice for evaluating pediatric patients with gastrointestinal hemorrhage and a suspected Meckel diverticulum.
* A Meckel diverticulum containing gastric mucosa will manifest as a small rounded area of increased activity in the right lower quadrant.
* Normal activity will simultaneously appear in the stomach.
 
==References==
 
{{Reflist|2}}
[[Category:Needs content]]
[[Category:Needs content]]
[[Category:Disease]]
[[Category:Gastroenterology]]
[[Category:Needs overview]]
[[Category:Needs overview]]
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Latest revision as of 18:49, 8 January 2018

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Sudarshana Datta, MD [2]

Overview

Laboratory findings are non specific and do not distinguish Meckel's diverticulum from other sources of gastrointestinal bleeding. Laboratory findings in patients may show volume depletion, features of anemia (such as decreased hematocrit, decreased hemoglobin levels and positive stool guaiac test).

Laboratory Findings

References

  1. Theillac M, Jouvet JC, Boussel L (2014). "Meckel's diverticulum revealed by microcytic anemia: the contribution of CT enteroclysis". Diagn Interv Imaging. 95 (6): 625–7. doi:10.1016/j.diii.2014.01.014. PMID 24618562.
  2. Al-Onaizi I, Al-Awadi F, Al-Dawood AL (2002). "Iron deficiency anaemia: an unusual complication of Meckel's diverticulum". Med Princ Pract. 11 (4): 214–7. doi:10.1159/000065810. PMID 12424418.

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