Parasitological and immunological diagnosis of Strongyloides stercoralis in patients with gastrointestinal cancer

This study examined the frequency of Strongyloides stercoralis infection in patients with gastrointestinal cancer through parasitological and immunological tests. A total of 77 patients were evaluated, 33 with gastrointestinal cancer and 44 controls with other types of cancers. All the patients were...

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Bibliographic Details
Published in:Scandinavian journal of infectious diseases 2008, Vol.40 (2), p.154-158
Main Authors: Machado, Eleuza R., Teixeira, Eliane M., Gonçalves-pires, Maria do rosário F., Loureiro, Zaira M., Araújo, Rogério A., Costa-cruz, Julia M.
Format: Article
Language:English
Subjects:
Adolescent
Adult
Aged
Animals
Antineoplastic Agents - adverse effects
Antineoplastic Agents - immunology
Biological and medical sciences
Brazil
Case-Control Studies
Feces - parasitology
Female
Gastroenterology. Liver. Pancreas. Abdomen
Gastrointestinal Neoplasms - drug therapy
Gastrointestinal Neoplasms - immunology
Humans
Immunocompromised Host
Immunologic Tests
Male
Medical sciences
Middle Aged
Parasitology - methods
Prevalence
Stomach. Duodenum. Small intestine. Colon. Rectum. Anus
Strongyloides ratti
Strongyloides stercoralis
Strongyloides stercoralis - immunology
Strongyloidiasis - complications
Strongyloidiasis - diagnosis
Strongyloidiasis - immunology
Tumors
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Summary:This study examined the frequency of Strongyloides stercoralis infection in patients with gastrointestinal cancer through parasitological and immunological tests. A total of 77 patients were evaluated, 33 with gastrointestinal cancer and 44 controls with other types of cancers. All the patients were undergoing chemotherapy and 14 (18.2%) were receiving concomitant radiotherapy. For a parasitological diagnosis, we applied the Baermann and Lutz methods. The immunological diagnosis involved the indirect fluorescence antibody test (IFAT) and enzyme linked immunosorbent assay (ELISA) to detect IgG antibodies using Strongyloides ratti antigens. The frequency of positive S. stercoralis in gastrointestinal cancer diagnosed by parasitological methods was 3 cases (9.1%), by serology it was 8 cases (24.2%). In the control group 1 case (2.3%) of S. stercoralis was diagnosed by parasitological methods and 2 cases (4.5%) by immunological tests (p
ISSN:0036-5548
1651-1980
DOI:10.1080/00365540701558730