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Query: UMLS:C0851341 (infestation)
 10,121 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Parasitic rheumatism is a rare condition characterized by inflammatory joint manifestations due to a parasitic infestation without parasites into joint cavity, (but, with circulating immune complexes, in serum, and synovial fluid; and with immunoglobulins and complement deposits in synovium in some cases reported in the literature). The number of parasites (now 15) which can induce such an arthritis by immune mechanisms is steadily increasing. In all, but few cases of parasitic rheumatism, usual parasitic manifestations (diarrhea, abdominal pain, nausea...) are mild or absent; but, if present, they are a very good criteria to evoke the diagnosis. Clinical pictures of arthritis induced by parasitic infestation are very polymorphic, and non specific of the involved parasite; they seem to depend on genetic predisposition: the symptoms are monoarticular, pauciarticular, or polyarticular, involving small, medium, and or large joints. They can mimic the clinical picture of different inflammatory rheumatic diseases. The most striking feature of parasitic rheumatism is the failure of antirheumatic agents (especially non steroidal anti-inflammatory agents), contrasting with the dramatic efficacy of specific anti-parasitic treatment. The proof of the responsibility of parasitic infestation by indirect mechanism is given by an exceptional case report of a patient with arthritis, dramatically cured after removal of larvae from Anisakiasis gastric granuloma. To explain the uncommon occurrence of this variety of reactive arthritis, due to parasitic infestation, despite the high prevalence of parasitic infestation in the world, hypothesis of genetic predisposition seems valuable. Among 34 well documented reported cases of parasitic rheumatism in the literature, HLA B 27 antigen has been researched in 13; out of these 13, HLA B 27 is absent in 9; in 7 out of these 9, clinical picture is symmetrical polyarthritis. Out of the 13 cases, HLA B 27 is present in 4: In all these 4 cases, clinical picture is asymmetrical pauciarthritis, mimicking arthritis of Reiter's disease.
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PMID:[Is there a role for parasites in the etiology of inflammatory rheumatism?]. 227 83

1,173 fish belonging to 13 species were examined during 1986-1987, during a survey conducted among commercial marine fish in the Paris area (France). Anisakis simplex L3 were found in 10 different species, and most frequently in herring (Clupea harengus) 82.55% of 682 fish, red fish (Sebastes marinus) 86.11% of 36 fish, and hake (Merluccius merluccius) 88.57% of 35 fish, and in high number (average 8.8, 18.4 and 31 L3 per fish). Pseudoterranova decipiens L3 were recovered from 7 different species of fish but always in small amounts. Hysterothylacium spp. larvae were found in very high number out of 11 species of fish. They were inoculated to adult rats, but failed to develop. A 30 degree C temperature killed these larvae, avoiding any risk of human infestation. Few Contracaecum larvae were found in whiting (Merlangus merlangus).
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PMID:[Anisakids and human anisakiasis. 2. Investigation of the anisakids of commercial fish in the district of Paris]. 319 Jan 21

The data on infestation of 8 species of commercial fishes from Saya-de-Malya bank (the Indian Ocean) are presented. 43 helminth species were identified: 10 Monogenea species, 18 trematode, 7 cestode and 8 nematode species. The mature worms are observed to be related to a certain host, whereas the nematode and cestode larvae have wide specificity. High infestation degree by Anisakis larvae is found in fishes, especially in Carangidae. At the bank area fishes are found to be free from Acanthocephala while those Acanthocephala are found in fishes from other areas of the Indian Ocean which may be attributed to the specific diet at the Saya-de-Malya bank. On the whole the helminth fauna of fishes examined at the Saya-de-Malya bank does not demonstrate the endemic pattern. The most specific helminth species were found in some fish species.
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PMID:[Helminthic fauna of commercial fishes from the Saya-de-Malya bank (Indian Ocean)]. 319 79

In pike-perches 20 species of parasites were stated: Protozoa (1), Monogenea (1), Cestoda (2), Trematoda (8), Nematoda (3), Acanthocephala (2), Hirudinea (1) and Crustacea (2). The high extent and intensity of parasitation Bunodera luciopercae in pike-perches of the Oder Bay are striking, a fact which may inhibit their growth and development. Parasitological investigation (infestation of pike-perch with Brachyphallus crenatus and Anisakis spec. larv.) has proved that about 75% of pike-perch migrate between the areas of the Peenestrom and the Bay of Greifswald. The high extent of Achtheres percarum infestation of fish causes serious damage to the gill filaments in a number of cases. The studies carried out to date have shown that parasite infestation of pike-perch has no negative effect on its edibility.
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PMID:[The parasite fauna of Stizostedion lucioperca from the bay waters of the Baltic coast of East Germany]. 324 34

Larval forms of nematodes of the Anisakidae family (cod or herring worms) can cause disease in people who eat raw or undercooked seafood. These nematodes are widespread along the eastern and western coasts of the United States, and the larvae can be found in fresh fish sold in any grocery store. Luminal infestation causes few symptoms. Invasive anisakiasis may be acute or chronic and may involve the stomach or the small intestine.
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PMID:Anisakiasis. 361 51

A case of gastric anisakiasis in a 45-yr-old Oriental woman who had eaten fresh, raw salmon is reported. This is the second case of gastric anisakiasis reported in the United States. The clinical course, endoscopic features, and histological findings are described. With the increased popularity of Japanese restaurants and sushi bars in the United States, the incidence of anisakiasis can be expected to increase. Clinicians and pathologists should be aware of this unusual parasitic infestation in this country.
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PMID:Gastric anisakiasis: report of a case with clinical, endoscopic, and histological findings. 378 27

We report 5 cases of human anisakiasis revealed respectively by an acute intestinal obstruction due to multiple small bowel stenosis, an acute inflammatory ileitis simulating appendicitis, ulcer type epigastralgia, purulent peritonitis and a latent small bowel tumor. Diagnosis was established in 4 cases on microscopic analysis of bowel specimens (eosinophilic granulomas and/or parasitic fragments) and in 1 case at gastroscopy. Serodiagnosis was positive in 2 of 4 cases and the consumption undercooked fishes was found in 4. In small samples we estimated the infestation (1 to 50 parasites) by anisakis larvae of 3 fish species: 80 p. 100 for herrings, 63 p. 100 for mackerels and 100 p. 100 for whitings. This work emphasizes the role of anisakiasis as a source of digestive symptoms and intestinal eosinophilic granuloma.
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PMID:[Human anisakiasis: 5 cases in northern France]. 395 15

The authors recently encountered a patient with omental anisakiasis who presented with features of acute appendicitis and who made an uneventful recovery following resection of an inflammatory omental mass containing the larva(e). Anisakiasis refers to infestation of humans by species of marine nematode larvae belonging to the subfamily Anisakinae. Although this condition is rarely reported in the United States, it has been well described both in Holland and in the Orient. Several publications in the Japanese literature have detailed the morphology of the parasite and the clinical symptoms of infestation. The source of infestation is most often raw or uncooked fish, the latter widely enjoyed as a foodstuff in the Orient, but less popular in the United States. With the growing popularity of "sushi" bars and the increasing numbers of Americans developing a taste for raw fish, this condition may become more prevalent in the future.
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PMID:Omental anisakiasis: a rare mimic of acute appendicitis. 662 18

This report describes a 73-year-old male with early gastric cancer (type IIc) superimposed on infestation of a parasitic larva. Eosinophilic granulomas surrounding a dead worm were seen in the submucosa just beneath the intramucosal tubular adenocarcinomatous lesion measuring 1 X 1cm at the anterior wall in the acid-secreting area. The cancer cells showed lowered and altered mucin production in comparison with the surrounding non-cancerous fundic mucosa. The parasite was identified as an Anisakis-like larva by the presence of typical lateral chords. An immunohistochemical examination revealed that the cancer cells were more strongly positive for IgA and secretory component than the surrounding non-cancerous mucosa, and that IgG, IgA and IgM were detected in plasma cells around the granulomas but IgE and IgD were not. The possibility that the Anisakis-like larva preferentially infested the cancerous mucosa because of the change in mucin, local defect in acid secretion and/or other structural alterations in the area is discussed.
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PMID:Early gastric cancer superimposed on infestation of an Anisakis-like larva: a case report. 668 94

Intestinal anisakiasis refers to the accidental infection of humans by a marine nematode as a result of eating raw fish which contains larval stages of the nematode sub-family Anisakinae. The symptoms mimic appendicitis or regional enteritis and most cases are diagnosed post-operatively. This patient developed acute intestinal symptoms two weeks after eating raw salmon. A degenerating 150 micron larva accompanied by acute inflammation and granulation tissue was found in an adhesive band which extended from her jejunum to her omentum. Examination of a single salmon obtained from the same market where the patient shopped resulted in the recovery of 5 viable larvae, and confirmed the impression that anisakine infection of market fish is common. A related species (Phocanema) causes infestation, but not symptomatic disease. Although common in countries where raw fish is routinely eaten (e.g., Japan), its frequency is not proportional to the size of the group at risk, suggesting that predisposing factors influence the course of exposure. Preventative measures include freezing at -17 degrees for 24 hours.
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PMID:Intestinal anisakiasis. Report of a case and recovery of larvae from market fish. 719 17


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