Ver el código de «Enterobius»

==Background==
[[File:Enterobius vermicularis LifeCycle.gif|thumb|Enterobious vermicularis life cycle.]]
*''Enterobius vermicularis''
*Colloquially known as Pinworm (United States), Treadworm (UK and Australia), or Seatworm
*Worldwide distribution
*Humans only known reservoir
*Transmitted by fecal-oral route
*Can survive outside of body for up to 3 weeks

===Risk Factors===
''Prevalence can reach up to 50% in these populations''
*Age under 18
*Institutionalized 
*Cohabitation with infected individual

==Clinical Features==
[[File:Pinworm.jpg|thumb|Two pinworms next to a ruler: The markings are 1 mm apart.]]
[[File:DSCB4096(anal worms or just toilet paper remainders@).jpg|thumb|Enterobius (pinworms) marked by arrows on the anus.]]
*[[Pruritus ani]] (intense itching of the perianal region)
**Worse at night
*Rarer symptoms include [[abdominal pain]], [[appendicitis]] and [[vulvovaginitis]] or [[dysuria]] in females

==Differential Diagnosis==
*Idiopathic pruritus ani
*Rectal tenesmus
{{Helminth Types}}

==Evaluation==
*Tape test 
**Most common
**Touch transparent tape to the perianal region and examine for eggs under the microscope
*Can also test by examining scrapings under patient's fingernails or examining perianal region 2-3 hours after patient falls asleep
*Stool analysis does not work because of low egg burden in stool

==Management==
{{Pinworms Treatment}} 

===Prevention===
*Carefully hand washing after using the toilet, and before and after eating
*Thoroughly launder all bedding, clothing, and toys to destroy any lingering eggs
*Launder all bedding every 3-7 days for three weeks
*Wash underwear and pajamas daily for two weeks

==Disposition==
*Outpatient treatment

==External Links==
*[http://www.cdc.gov/parasites/pinworm/ CDC: Enterobiasis]

==See Also==
*[[Parasites]]
*[[Pruritus ani]]

==References==
<references/>

[[Category:ID]]
[[Category:Tropical Medicine]]
[[Category:GI]]