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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SRJ is a prestige metric based on the idea that not all citations are the same. Safer Food and Water: Purchase access Subscribe to JN Learning for one year. Parasitological survey on pygmies in Central Africa. Create a free personal account to download free article PDFs, sign up for alerts, customize your interests, and more. In the first case, it would seem, therefore, that the worm had oxiyriasis back up the genitals and, after penetrating the thickness of the tubal wall which had probably already been damaged by other infective agents, it was halted by the defensive reaction of the host tissues and remained among the inflammatory cells.

Nematode Parasites of Vertebrates: The deposited eggs mature in a few hours and contain fully developed larvae becoming infective.

Preventative action revolves around personal hygiene and the cleanliness of the living quarters. For the most part, the onset of the nodule is more or less painful, especially after defecation. Annals of Tropical Medicine and Parasitology.

CDC – Enterobiasis

Fatal infection with human pinworm, Enterobius vermicularisin a captive chimpanzee. Pinworm infection cannot be totally prevented under most circumstances. Neither fistulas nor rhagades were observed.

American Public Health Association. Control of Communicable Diseases Manual. International Journal of Dermatology. The authors report two ectoptic cases of enterobiasis observed in Northern Italy, one located in a fallopian tube of a year-old woman and the other in a perianal subcutaneous tissue of a year-old man, mimicking tumor-like lesions.


On physical examination, a rounded mass having a diameter of about 2 cm, externally palpable in the posterior quadrants of the perineum, highly painful at palpation, having a hard-elastic consistency, with the skin moderately reddened was noted.

Subscribe to our Newsletter. Many cases located both in the female genital tract and in the ano-rectal zone could also be not diagnosed fnterobiasis sometimes notable symptoms are not present and other times due to the diagnostic error of the histopathologist.

After the eggs have been initially deposited near the anus, they are readily transmitted to other surfaces through contamination. Similar cases have been reported over the last decade by many authors [ 1532 — 34 ]. The current teaching in medical schools, unjustly relegates oxyuriasis to a very limited space. Pinworm infectionalso known as enterobiasisis a human parasitic disease caused by the pinworm. Both adnexa were removed. Enterobius vermicularis infection of female genital tract: Handbuch der speziellen pathologischen Anatomie und Histologie.

Practical guide to diagnostic parasitology. The disease is spread between people by pinworm eggs. By using this site, you agree to the Terms of Use and Privacy Policy. Sopra una cisti impiantata sulla salpinge contenente uova di Oxyuris vermicularis. Privacy Policy Terms of Use. Sign in to access your subscriptions Sign in to your personal account.

Enterobiasis in Ectopic Locations Mimicking Tumor-Like Lesions

It occurs either through one of the above-mentioned mechanisms or through so-called retrofection [ 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 ]. Perianal nodule due to enterobiasis: Pinworm is endemic worldwide and commonly clusters within families.

Die tierischen Schmarotzer des Harnapparates. Pinworms cannot damage the skin, [14] and they do not normally migrate through tissues. The oxiuriais accepts original articles, scientific letters, review articles, clinical guidelines, consensuses, editorials, letters to the Editors, brief communications, oxiuriais clinical images in Gastroenterology in Spanish and English for their publication.


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, enherobiasis particular while defecating.

Enterobiasis (oxiuriasis) familiar | Revista de Gastroenterología de México

The incidence reported from. Please review our privacy policy. Travelers are at risk if staying in crowded conditions with infected people.

This item has received. Mitochondrial cytochrome c oxiuriasi subunit 1 gene and nuclear rDNA regions of Enterobius vermicularis parasitic in captive chimpanzees with special reference to its relationship with pinworms in humans. The scientific works include the areas of Clinical, Endoscopic, Surgical, and Pediatric Gastroenterology, along with related disciplines.

Pinworm infection

Si continua navegando, consideramos que acepta su uso. Retrieved 6 December Treatment is typically with two doses of the entetobiasis mebendazolepyrantel pamoateor albendazole two weeks apart.

Oxyuridaecollected from chimpanzees, Pan troglodyteson Rubondo Island, Tanzania”. Des tumeurs vermineuses chez les enfants. Full text is only aviable in PDF. Garcia, Lynne Shore Pinworms do not lay eggs in the feces[20] but sometimes eggs are deposited in the intestine.

The nodular tumor-like lesion, enucleated surgically through the skin was examined histologically and was composed of cutaneous and subcutaneous tissues with partially obliterated fistulous pathways which communicated deeply into the suppurative area with inflammatory and chronic infiltrations and with the presence of a plurinucleate giant cell granuloma, foreign body type, fibrous tissue, lymphocytes, and numerous eosinophilic granulocytes mingled with necrotic material Figure 1 c.