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| ==Adenovirus appendicitis== | | ==Adenovirus appendicitis== |
| ===General===
| | {{Main|Adenovirus appendicitis}} |
| *Rare type of appendicitis in children.
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| *Presents as run-of-the-mill acute appendicitis.
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| *Caused by ''[[Adenovirus]]''.
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| ===Microscopic===
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| Features:<ref name=pmid17990936>{{cite journal |author=Grynspan D, Rabah R |title=Adenoviral appendicitis presenting clinically as acute appendicitis |journal=Pediatr. Dev. Pathol. |volume=11 |issue=2 |pages=138–41 |year=2008 |pmid=17990936 |doi=10.2350/07-06-0299.1 |url=}}</ref>
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| *Lymphoid hyperplasia - key feature.
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| *+/-Adenovirus inclusions; "smudge cells".
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| Notes:
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| *The classic finding of appendicitis (neutrophils infiltrating into the muscularis propria) may be absent.<ref name=pmid17990936/>
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| Image:
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| *[http://wiki.medpedia.com/Image:Ab14.jpg?filetimestamp=20091014175858 Smudge cell (medpedia.com)].
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| ===IHC===
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| *Adenovirus +ve = '''diagnostic'''.
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| ==Enterobius vermicularis== | | ==Enterobius vermicularis== |