Although pinworom infection can affect all people, it most commonly occurs among children, institutionalized persons, and household members of persons with pinworm infection. The most common symptom is itching in the anal area. Get a printable copy pdf file of the complete article 1. Via person to person contact the worst kind, along with contaminated clothes and linens. The ubiquitous human parasitic nematode enterobius vermicularis pinworm produces small, buoyant ova. Pinworm infection is caused by a small, thin, white roundworm called enterobius vermicularis. In more heavily infected patients usually children there may be loss of appetite, irritability, and insomnia. Pinworm has the broadest geographic range of any helminth, and is the most prevalent helminth infection in the. Find enterobius vermicularis stock images in hd and millions of other royaltyfree stock photos, illustrations and vectors in the shutterstock collection. An 11yearold girl presented with the vague symptoms of crawling sensation in the nose for few weeks, who had received treatment for allergic rhinitis. It is a nematode roundworm and a common intestinal parasite or helminth, especially in humans.
Links to pubmed are also available for selected references. Here the author describes a case of an asymptomatic patient with enterobius infection as an incidental finding at colonoscopy. Itis taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. Also, they noticed that enterobius vermicularis was the most frequent isolated microorganism among the enuretic patients 15. Enterobiasis, also known as oxyuriasis or pinworm infection, is a common, contagious helminthic infestation caused by the nematode enterobius vermicularis that mainly affects children and institutionalized persons. Department of dermatology, mater misericordiae university hospital, dublin, ireland. Enterobius definition of enterobius by medical dictionary. Ppt enterobius vermicularis powerpoint presentation.
The worm has a direct life cycle with no tissue migrate phase. Although it is found all over the world, it is more common in the temperate regions than in the tropics. Hosted by the usgs core science analytics and synthesis. Enterobius vermicularis formerly oxyuris vermicularis is the most common intestinal parasite in western europe and in the us. Its prevalence varies widely by region and institutional. All structured data from the file and property namespaces is available under the creative commons cc0 license. Ppt enterobius vermicularis powerpoint presentation free. Files are available under licenses specified on their description page. Enterobius vermicularis used as a noun is very rare. Another putative pinworm species, enterobius gregorii, has been described and reported from humans in europe, africa, and asia. However, it is not a legal authority for statutory or regulatory purposes. In some areas the common names seatworm and threadworm are used the latter of which is sometimes also used to refer to strongyloides stercoralis.
This infection is also referred to as oxyuriasis, pinworm infection, and threadworm or seatworm infection. Enterobius vermicularis pinworm infection of the liver. Pinworm, anal worm, and seat worm are common names given this strictly human cosmopolitan parasite. The female worms migrate out the anus depositing eggs on the perianal skin. The cause of a pinworm infection is the worm enterobius vermicularis. Enterobius vermicularis and allergic conditions in norwegian children. Pinworm infection in human is initiated by the ingestion of the infective eggs, which hatch in the intestine, where they develop into the adult worms. Enterobius vermicularis this species causes perianal pruritis enterobiasis in humans parasite morphology. Persontoperson transmission can also occur through handling of contaminated clothes or bed linens.
Enterobius vermicularis live adult worms in the high vagina. The pinworm species enterobius vermicularis, also known as threadworm in the united kingdom and australia or seatworm, is a parasitic worm. Animalia nematoda secernetea rhabditida oxyuridae enterobius vermicularis pinworm has the broadest geographic range of any helminth, and is the most prevalent helminth infection in the usa and western. Your use of this pdf, the bioone complete website, and all posted and associated content indicates your. L, vermiculus, small worm a common parasitic nematode that resembles a white thread between 0. Enterobius vermicularis as a novel surrogate for the presence of.
A short video of the movements seen within an enterobius vermicularis egg. Dec 19, 20 linda allen certified nutritionist and former yeast infection sufferer teaches you her candida freedom step by step success system jampacked with a valuable information on how to naturally and permanently eliminate your yeast infection from the root and achieve lasting freedom from candida related symptoms. Enterobiasis definition is infestation with or disease caused by pinworms genus enterobius, especially e. Pickering lk, baker cj, long ss, mcmillan ja, editors. Enterobius vermicularis pinworms, introital bacteriology and recurrent urinary tract infection in children.
The paleoepidemiology of enterobius vermicularis nemata. Enterobius vermicularis formerly oxyuris vermicularis synonyms. The eggs are elongateoval in shape, measure 5060 m in length by 2030 m in width, and are characteristically asymmetric about the long axis being distinctly. It is a nematode that inhabits the human terminal ileum, colon and appendix. Treatment and prevention of enterobius vermicularis. Infection with enterobius vermicularis is often asymptomatic or involves perianal itching, especially at night as the females are moving. The pinworm enterobius vermicularis persists as one of the most common helminths in humans 1. Enterobius vermicularis, often referred to as pinworm, is an intestinal. Symptomatic infection with pinworm enterobius vermicularis, a human pathogen, is clinically relevant in germany, with an estimated. Linda allen certified nutritionist and former yeast infection sufferer teaches you her candida freedom step by step success system jampacked with a valuable information on how to naturally and permanently eliminate your yeast infection from the root and achieve lasting freedom from candida related symptoms. Request pdf pinworm enterobius vermicularis enterobius vermicularis pinworm is a tiny helminth that lives in the human cecum. Pdf enterobius vermicularis infestation leading to meckels. Enterobiasis definition of enterobiasis by merriamwebster.
The nematode roundworm enterobius vermicularis previously oxyuris vermicularis also called human pinworm. The worms live and reproduce in the ileum, cecum, colon and appendix and the nematode female migrates to the anus to deposit its. A rare case of enterobius vermicularis pinworm is reported in the nose. The rat pinworm, syphacia obvelata, has also very rarely been reported infecting humans. The life cycle of enterobius, the socalled pinworm, begins with egg deposition by gravid adult female worms on the perianal folds. Intensive itching may lead to bacterial infections. Animalia nematoda secernetea rhabditida oxyuridae enterobius vermicularis. Enterobius vermicularispinworm linkedin slideshare. Enterobius vermicularis pinworm parasites in humans.
Thousands of new, highquality pictures added every day. Enterobiasis enterobius vermicularis life cycle of enterobius vermicularis eggs are deposited on perianal folds. The morphology, life cycle, clinical presentation, and treatment for this parasite are identical to enterobius vermicularis, and the only difference lies in the fact that e. We report a case of the patient with mild voiding difficulties such as urgency, frequency, nocturia, dysuria, mild low back pain or perineal discomfort. Infection by enterobius vermicularis is spread through ingestion of eggs from poorly washed hands or soiled clothing. Adult enterobius vermicularis live in the human caecum, appendix and the large intestine. Welcome to the enterobius vermicularis parasite site creator information christine yang, 2007, christine. Enterobius vermicularis noun the noun enterobius vermicularis has 1 sense 1. Enterobius vermicularis dermatitis ni raghallaigh 2010.
Family members of the affected individuals often become infected, as well. This current study has recorded six species of parasites in appendicitis where enterobius vermicularis is the most infectious 11. Samples were collected from the whole of norway in 2010 between january and august. The medical condition associated with pinworm infestation is known as pinworm infection enterobiasis a type of helminthiasis. Another putative pinworm species, enterobius gregorii, has been. Page designed through the cooperative efforts of interagency itis teams. Enterobius species enterobius vermicularis name synonyms ascaris vermicularis linnaeus, 1758 homonyms enterobius vermicularis linnaeus, 1758 common names borneorm in danish springmask in swedish bibliographic references. It predominantly affects, not only the children but also occurs in adult patients. Oxyuris vermicularis, madenwurm, pfriemenschwanz, kinderwurm, pinworm. Once inside the first part of the small intestine, duodenum, pinworm larvae hatch from the eggs. Pinworm enterobius vermicularis request pdf researchgate. Enterobius vermicularis is the most common helminthic infection in western europe and in the us.
The small worms may also go airborne high velocity farting and get inhaled. Request pdf pinworm enterobius vermicularis enterobius vermicularis. Pdf enterobius vermicularis infestation masquerading as. Enterobius vermicularis infection bmc infectious diseases. Enterobius vermicularis infestation and secondary enuresis. Rarely, worms will invade the female genital tract causing complications.
Unilateral salpingitis due to enterobius vermicularis. The period of time from swallowing eggs to the appearance of new eggs around the anus is 4 to 8 weeks. Microscopic view of enterobius vermiculariseggs attached to cellophane tape after a perianal swab from a child in kindergarten in seoul, korea. Enterobius vermicularis infection and nocturnal enuresis among children are limited in turkey. Enterobius vermicularis in a 14yearold girls eye department of. Also called oxyuris vermicularis, pinworm, seatworm, threadworm.
Selfinfection occurs by transferring infective eggs to the mouth with hands that have scratched the perianal area. The cuticle layer protects the nematode so it can invade digestive tracts of animals. Full text full text is available as a scanned copy of the original print version. There are types of worm that can live and thrive inside our bodies causing health problems. In gravid females, almost of the entire body is filled with the eggs. The patient history of pinworm infection, also called enterobiasis, includes itching or prickling pain in the anal area usually at nighttime or in the early morning, intense anal itching, restless sleep or difficulty sleeping, and, rarely, abdominal discomfort or loss of appetite. Dec 14, 2008 there are types of worm that can live and thrive inside our bodies causing health problems. Jun 26, 2016 a short video of the movements seen within an enterobius vermicularis egg. Perianal mass and recurrent cellulitis due to enterobius vermicularis. Enterobius vermicularis is a small nematode this common helminthic infestation has an estimated prevalence of 40 million infected individuals in the united states. Enterobius vermicularis 1 enterobius vermicularis 2 enterobius vermicularis. The commonest such worm is the threadworm sometimes known as the pinworm.
In a study conducted by erdemir et al 14, enterobius vermicularis was present in 61% in the enuretic children 14. The nematode roundworm enterobius vermicularis is widely known as the human pinworm due to the females long, pointed tail. Apr 27, 2016 a study that aimed to determine the extent of enterobiasis, strongyloidiasis, and other helminth infections in infants, preschoolaged, and schoolaged children from rural coastal tanzania reported that enterobius vermicularis infections were found in 4. Pinworm infection, also known as enterobiasis, is a human parasitic disease caused by the pinworm. Ectopic infections in the pelvic area or urinary tract rarely occur in women. Infection with enterobius vermicularis pinworm, also known as enterobiasis, is the most common helminthic infection in the united states of america and western europe, mostly affecting children aged 510 years. The nasal secretions were examined and confirmed the diagnosis of pinworm infection and treated by albendazole.
Jul 17, 2019 adult female worms of enterobius vermicularis collected from a 2yearold girl in a korean orphanage after treatment with pyrantel pamoate 10 mgkg. Enterobius vermicularis also known commonly as pinworm is the most common intestinal parasite. Enterobius vermicularis and hymenolepis nana were detected in 4,1 % of examined samples. The disease is spread by fecaloral and airborne route while reinfection is common.
Other symptoms include irritability and, in females, vaginal itching. Enterobius vermicularis physical description as a nematode, enterobius vermicularis has a cylindrical body, and a cuticle with three main outer layers made of collagen and other compounds, secreted by the epidermis. This article is part of an expert video encyclopedia. Humans get infected by accidentally swallowing or inhaling microscopic pinworm eggs. Most infections are benign with anal pruritus as the only symptom. Adults usually have low worm burdens and are asymptomatic. Pinworm infection is treatable with overthecounter or prescription. Enterobius vermicularis noun the noun enterobius vermicularis has 1 sense. However, further morphologic and molecular evidence suggests e. The causative nematode is enterobius vermicularis, formerly known as oxyuris vermicularis, or commonly as the pinworm or threadworm. Enterobius vermicularis is an intestinal nematode of humans.
The case of enterobius vermicularis as a cause for acute appendicitis. Pdf enterobius vermicularis is an intestinal nematode commonly affecting children worldwide. Other symptoms may include anorexia, abdominal pain or irritability. Generalized estimation equation was used to account for potential intrafamily correlation. The pinworms are one of the most common intestinal nematodes. Enterobius vermicularis does not need an intermediate host to complete its life cycle. Known as enterobius gregorii, this parasite was isolated in 1983 by jeanpierre hugot. Eggs of the human pinworm enterobius vermicularis were recovered from 34 of the 100 coprolites.
The diagnosis and treatment of pinworm infection ncbi. Infection is frequent in children, sometimes causing itching. Enterobius vermicularis, also called pinworm, is one of the most common nematode infections in the world. The entire lifecycle from egg to adult takes place in the human gastrointestinal tract of a single human host. The disease is acquired by ingestion of fully embryonated ova deposited by the female worm about the anus and transferred to other hosts by fecal contamination or to the same host to produce reinfection. A second species, enterobius gregorii, has been described and.