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| ==Microscopic== | | ==Microscopic== |
| Features:<ref name=Ref_PBoD843>{{Ref PBoD|843}}</ref>
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| *Enteritis.
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| **Intraepithelial lymphocytes - '''key feature'''.
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| **Plasma cells.
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| **Macrophages.
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| *Loss of villi - '''important feature'''.
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| **Normal duodenal biopsy should have 3 good villi.
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| *Mitosis increased (in the crypts).
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|
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| Image:
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| *[http://commons.wikimedia.org/wiki/File:Coeliac_path.jpg Celiac sprue (WC)].
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|
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| Notes:
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| *If you see acute inflammatory cells, i.e. neutrophils, consider Giardiasis and other infectious etiologies.
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| *Biopsy should consist of 2-3 sites. In children it is important to sample the duodenal cap, as it is the only affected site in ~10% of cases.
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|
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| ===General===
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| ====Etiology====
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| *Autoimmune.
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|
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| ====Epidemiology====
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| *Associated with:
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| **The skin condition ''[[dermatitis herpetiformis]]''.<ref>TN 2007 D22</ref>
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| ***Tx: dapsone.
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| **IgA deficiency - 10-15X more common in celiac disease vs. healthy controls.<ref name=pmid12414763>{{Cite journal | last1 = Kumar | first1 = V. | last2 = Jarzabek-Chorzelska | first2 = M. | last3 = Sulej | first3 = J. | last4 = Karnewska | first4 = K. | last5 = Farrell | first5 = T. | last6 = Jablonska | first6 = S. | title = Celiac disease and immunoglobulin a deficiency: how effective are the serological methods of diagnosis? | journal = Clin Diagn Lab Immunol | volume = 9 | issue = 6 | pages = 1295-300 | month = Nov | year = 2002 | doi = | PMID = 12414763 }}</ref>
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| **Risk factor for ''gastrointestinal T cell lymphoma'' - known as: ''enteropathy-associated T cell lymphoma'' (EATL).
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|
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| ====Treatment====
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| *Gluten free diet.
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| **''Mnemonic'': BROW = barley, rye, oats, wheat.
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|
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| ====Serologic testing====
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| *Anti-transglutaminase antibody.
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| **Alternative test: anti-endomysial antibody.
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| *IgA -- assoc. with celiac sprue.
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|
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| ===Microscopic===
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| Features:<ref name=Ref_PBoD843>{{Ref PBoD|843}}</ref> | | Features:<ref name=Ref_PBoD843>{{Ref PBoD|843}}</ref> |
| *Enteritis. | | *Enteritis. |