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Cited by 52Parasitic infections in humans and animalsHelminth infection and controlParasitic Infections and Diagnostics

Segmental Sedimentation and Counting Technique (SSCT): An adaptable method for qualitative diagnosis of Echinococcus multilocularis in fox intestines

Umhang, G., Woronoff-Rhen, N., Combes, B., Boué, F.·2011·Experimental Parasitology
DOI 10.1016/j.exppara.2011.01.004
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Abstract

A modified Segmental Sedimentation and Counting Technique (SSCT) to examine the presence of Echinococcus multilocularis helminths in segments of fox (Vulpes vulpes) intestine is described and compared to the "gold standard", SCT. Out of the 358 intestines collected, 117 were E. multilocularis positive. Using SSCT methods we compare the sensitivity of individual or pairs of segments to establish a tradeoff between saving time and the reliability of the diagnosis, especially in areas with low infection intensities. The results show that the analysis of segment S4 associated with segment S1 or S2 give 98.3% sensitivity, with specificity close to 100%. Based on our results and the time saved, we recommend using SSCT for routine examination of fox intestines for large epidemiological studies, particularly where the endemic prevalence of E. multilocularis is low or unknown.

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  • The occurrence of E. multilocularis in the anterior part in one intestine among 117 positive intestines in the SSCT study was probably due to the early infection stage, just after ingestion of larvae, when tapeworms can only be observed in the anterior part before they reach their typical location.

    “This probably is due to the early infection stage, just after ingestion of larvae, when tapeworms can only be observed in the anterior part of the intestine before they reach their typical location [29].”

    From Distribution of Parasitic Helminths in the Small Intestine of the Red Fox (Vulpes vulpes) (2020) · cites this paper as [29]

  • The posterior part of the small intestine is considered a predilection site for E. multilocularis.

    “The posterior part of the small intestine is considered a predilection site for E. multilocularis [28,29,32].”

    From Distribution of Parasitic Helminths in the Small Intestine of the Red Fox (Vulpes vulpes) (2020) · cites this paper as [29]

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Authors
Umhang, G., Woronoff-Rhen, N., Combes, B., & Boué, F.
Affiliations
Agence Nationale de Sécurité Sanitaire de l’Alimentation, de l’Environnement et du Travail (FR)
Corresponding author
Boué, F.
ORCID
Venue
Experimental Parasitology
Publisher
Elsevier BV
Published
2011-05
Volume
128
Issue
1
Pages
57-60
ISSN
0014-4894 (ISSN-L)
DOI
10.1016/j.exppara.2011.01.004
OpenAlex
W1968500895
Cited by
52
References
0
Citations by year
2025: 2 · 2024: 3 · 2023: 4 · 2022: 1 · 2021: 2 · 2020: 6 · 2019: 8 · 2018: 1 · 2017: 5 · 2016: 2 · 2015: 5 · 2014: 5 · 2013: 2 · 2012: 5
FWCI
2.92
Type
journal article
Language
en
Open access
closed
Licence
www.elsevier.com/tdm/userlicense/1.0/ (tdm)
Locations
  • Experimental Parasitology (publishedVersion)
  • PubMed (publishedVersion)
Funders
Agence Nationale de Sécurité Sanitaire de l’Alimentation, de l’Environnement et du Travail
Topics
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Parasitic infections in humans and animals
  • Health Sciences › Veterinary › Small Animals › Helminth infection and control
  • Life Sciences › Immunology and Microbiology › Parasitology › Parasitic Infections and Diagnostics
Keywords
Echinococcus multilocularis, foxes, red fox, qualitative diagnosis, intestinal helminths, diagnostic sensitivity, diagnostic specificity, disease surveillance, alveolar echinococcosis
MeSH terms
Animals, Echinococcosis, Foxes, Intestinal Diseases, Parasitic, Intestines, Sensitivity and Specificity, Echinococcus multilocularis

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