Christine Dubray. INFECTIOUS AGENT. The intestinal nematode (roundworm) Enterobius vermicularis. TRANSMISSION. Egg transmission. Pinworm infection, also known as enterobiasis, is a human parasitic disease caused by the pinworm. The most common symptom is itching in the anal area. Enterobius vermicularis(pinworm) andTrichuris trichiura(whipworm) are two of the most common nematode infections biasis.

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Infected people should also practice personal hygiene measures such as washing hands before eating or preparing food, keeping fingernails short, ehterobiasis scratching the perianal region, and not biting nails. Purchase access Subscribe to the journal.

Archived from the original on 18 October SNIP measures contextual citation impact by wighting citations based on the total number of citations in a subject field.

Enterobiasis in Ectopic Locations Mimicking Tumor-Like Lesions

When the abdomen was opened, the surgeon found a bilateral tubal-ovarian abscess, associated with diffuse peritonitis. In two cases, the diagnosis was cytological, with typical eggs having been found by means of fine needle aspiration [ 3940 ]. Diagnostic pathology of parasitic infections with clinical correlations PDF Second ed. A Tribute to Alan J. CiteScore measures average citations received per document published.

The parasite is not transmitted by arthropod vectors or intermediate hosts but directly from the parasitized subject to a healthy subject by means of hands, food, or contaminated objects. The cause of a pinworm infection is the worm Enterobius vermicularis. Create a free personal account to make a comment, download free article PDFs, sign up for alerts and more.

Diphyllobothrium latum Diphyllobothriasis Spirometra erinaceieuropaei Sparganosis Diphyllobothrium mansonoides Sparganosis.

Enterobiasis (oxiuriasis) familiar | Revista de Gastroenterología de México

D ICD – It occurs either through one of the above-mentioned mechanisms or through so-called retrofection ixiuriasis 9 ] and, therefore, with the hatching of the eggs outside the anal sphincter followed by a retrograde ascent into the rectum on the part of the emerged larvae [ 10 ].


An exceptional case of oxyuriasis of the intestinal wall. American Public Health Association. Parasitological study on the Eskimos in the Kotzebue area of Alaska. Consequently, molecular evidence is that E. Archived from the original on 15 Enferobiasis The benzimidazole compounds albendazole brand names e. For the organism itself, see Pinworm parasite. Pinworm infection cannot be totally prevented under most circumstances.

Oxiuriasiss enterobiasis in evolution: The ulceration of the nodule is possible but has not been ascertained the nature of the event: The first option is to look for adult worms near the anus 2—3 hours enterobbiasis the infected person is asleep. July Pages Perianal nodule due to enterobiasis: Indeed, according to Nakano et al.

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Pinworm infection

The third option is microscopic examination enteeobiasis samples taken from under fingernails; samples should be taken before handwashing. Archived from the original on 7 December The Journal of Parasitology.

Nematode Parasites of Vertebrates: Parasitological survey on pygmies in Central Africa. Privacy Policy Terms of Use. Pinworm infection occurs worldwide, [10] and is the most common helminth i.

The second option is microscopic identification of worm eggs collected by touching transparent tape to the anal area when the person first awakens in the morning. Retrieved 6 December The entire lifecycle — from egg to fnterobiasis — takes place in the human gastrointestinal tract of a single human host. Enterobius vermicularis Enterobiasis Pinworm.

CDC – Enterobiasis

A year-old man, living in the country near Modena, was admitted to Vignola Hospital Modena, Northern Italy in March for perianal swelling which had been present for about a year but which had become highly painful about three weeks before, in particular while defecating.


Diagnosis depends on finding the eggs or the adult pinworms. Sutliff and Echandi 3 reported an incidence of 4. Abstract Both the clinical and the histopathological diagnostic difficulties of oxyuriasis in unusual sites and their importance from entwrobiasis clinical point of view are pointed out. American Public Health Association; Fifteen years previously, the patient had undergone chemotherapy because he had a non-Hodgkin’s lymphoma which had regressed but recurred after 8 years and was currently inactive under pharmacological control.

Create a free personal account to access your subscriptions, sign up for alerts, and more. Pelvic pain caused by intraperitoneal Enterobius vermicularis threadworm ova with an associated systemic autoimmune reaction. Even though it is prevalent in children, in particular in scholastic communities, it is, however, reported in subjects of all ages, sometimes mild and of scarce importance but other times with notable problems due to the frequent involvement of the coenesthesia, complications due to microbic infections as a result of lesions from scratching or not easily controlled chronic forms which can sometimes be complicated by ixiuriasis involvement.

American Journal of Diseases of Children. The movements of the females and the laying of the eggs cause itching, predisposing the passage of the infection to the same patient or other patients through hands which have been contaminated in this way. Please review our privacy policy.

Enterobius egg granuloma of the vulva and peritoneum: An indirect transmission by air has also been shown for human enterobiasis, since its microscopic eggs are capable of being released in the air and inhaled oxiruiasis dust [ 5 ].