Enterobiasis other diagnostic studies: Difference between revisions

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{{Pinworm}}{{CMG}}
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{{Enterobiasis}}
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==Overview==
==Overview==
Diagnosis is often made clinically by observing the female worm (or many worms) in the peri-anal region, but can also be made using the [["scotch-tape" test]], in which the sticky side of a strip of [[cellophane]] tape is pressed against the peri-anal skin, then examined under a microscope for pinworm eggs.  
Occasionally, adult ''Enterobius vermicularis'' can be identified on colonoscopy, appendiceal tissue histology and eggs can be seen in urine.
==Colonoscopy==
In heavy worm infestations, adult worms can be seen during colonoscopy.<ref name="pmid7959218">{{cite journal |vauthors=Cook GC |title=Enterobius vermicularis infection |journal=Gut |volume=35 |issue=9 |pages=1159–62 |year=1994 |pmid=7959218 |pmc=1375686 |doi= |url=}}</ref>
==Urinalysis==
Rarely, ''Enterobius vermicularis'' eggs are found in urine.<ref name="pmid7959218">{{cite journal |vauthors=Cook GC |title=Enterobius vermicularis infection |journal=Gut |volume=35 |issue=9 |pages=1159–62 |year=1994 |pmid=7959218 |pmc=1375686 |doi= |url=}}</ref>
===Appendiceal tissue===
Incidentally, appendiceal tissue can also reveal pinworms.
==Gallery==


The actual worms may be seen in the host's faeces; however the eggs are invisible to the naked eye.
<gallery>


The diagnostic characteristics are: size 50-60 µm by 20-32 µm; typical elongated shape, with one convex side and one flattened side and colorless shell <ref>{{cite web | url = http://pathmicro.med.sc.edu/parasitology/nematodes.htm| title =PARASITOLOGY - CHAPTER FOUR NEMATODES (Round Worms) | accessdate = 2007-10-18| publisher = The Board of Trustees of the University of South Carolina}}</ref>.
Image: Pinworm02.jpeg| Photomicrographic study of a section of appendiceal tissue, revealed the presence of a pinworm, Enterobius vermicularis, previously Oxyuris vermicularis, which had been cut in cross-section. <SMALL><SMALL>''[http://phil.cdc.gov/phil/home.asp From Public Health Image Library (PHIL).] ''<ref name=PHIL> {{Cite web | title = Public Health Image Library (PHIL) | url = http://phil.cdc.gov/phil/home.asp}}</ref></SMALL></SMALL>
 
Image: Pinworm01.jpeg| Photomicrographic study of a section of appendiceal tissue, revealed the presence of a pinworm, Enterobius vermicularis, previously Oxyuris vermicularis, which had been cut in cross-section. <SMALL><SMALL>''[http://phil.cdc.gov/phil/home.asp From Public Health Image Library (PHIL).] ''<ref name=PHIL> {{Cite web | title = Public Health Image Library (PHIL) | url = http://phil.cdc.gov/phil/home.asp}}</ref></SMALL></SMALL>
 
</gallery>


On [[histology|histologic]] cross-section, alae or wings (running the length of the worm) are identifying features of the pinworm (see micrograph).<ref>Diagnostic Findings Enterobiasis. [[Centers for Disease Control and Prevention]]. URL:[http://www.dpd.cdc.gov/dpdx/HTML/Enterobiasis.htm http://www.dpd.cdc.gov/dpdx/HTML/Enterobiasis.htm]. Accessed on: August 6, 2008.</ref>
==References==
==References==
{{reflist|2}}
{{reflist|2}}
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[[Category:Needs content]]
[[Category:Disease]]
[[Category:Parasites]]
[[Category:Parasites]]
[[Category:Nematodes]]
[[Category:Nematodes]]
[[Category:Proctology]]
[[Category:Proctology]]
 
[[Category:Emergency medicine]]
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[[Category:Up-To-Date]]
[[bg:Острица (животно)]]
[[Category:Infectious disease]]
[[da:Børneorm]]
[[Category:Gastroenterology]]
[[de:Madenwurm]]
[[es:Enterobius]]
[[fi:Kihomato]]
[[fr:Oxyure humain]]
[[id:Cacing kremi]]
[[is:Njálgur]]
[[ja:ギョウチュウ]]
[[ka:ენტერობიუსი]]
[[ko:요충]]
[[nl:Aarsmade]]
[[no:Barnemark]]
[[pl:Owsik ludzki]]
[[sl:Podančica]]
[[sv:Springmask]]
[[tr:Enterobius vermicularis]]
[[zh-yue:蟯蟲]]
[[zh:蟯蟲]]
 
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Latest revision as of 21:35, 29 July 2020

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

Overview

Occasionally, adult Enterobius vermicularis can be identified on colonoscopy, appendiceal tissue histology and eggs can be seen in urine.

Colonoscopy

In heavy worm infestations, adult worms can be seen during colonoscopy.[1]

Urinalysis

Rarely, Enterobius vermicularis eggs are found in urine.[1]

Appendiceal tissue

Incidentally, appendiceal tissue can also reveal pinworms.

Gallery

References

  1. 1.0 1.1 Cook GC (1994). "Enterobius vermicularis infection". Gut. 35 (9): 1159–62. PMC 1375686. PMID 7959218.
  2. 2.0 2.1 "Public Health Image Library (PHIL)".

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