Back to Search
Start Over
Preliminary report of histopathology associated with infection with tongue worms in Australian dogs and cattle.
- Source :
-
Parasitology international [Parasitol Int] 2018 Oct; Vol. 67 (5), pp. 597-600. Date of Electronic Publication: 2018 May 23. - Publication Year :
- 2018
-
Abstract
- Tongue worms utilise herbivorous mammals as intermediate hosts and reside in the nasopharynx of carnivores as their definitive hosts. A recent study in south eastern Australia showed an unexpectedly high infection (67%) of wild dogs with these parasites. The present study aimed at determining the pathogenicity of the parasite in both definitive (dog) and intermediate (cattle) hosts by histopathology. The definitive host showed multifocal haemorrhage of the interstitium of the nasal mucosa, multifocal mucosal erosion, congestion and haemorrhage, with haemosiderin laden macrophages present in those foci and distortion and destruction of the nasal mucosa. Histopathologic examination of lymph nodes from an infected cow showed diffuse eosinophilic granulomatous necrotising lymphadenitis and perinodal panniculitis with intralesional parasitic remnants and comparatively large numbers of eosinophils. A large, ~300-500 μm diameter, area of necrosis was also observed in one lymph node. This is the first time a study has been undertaken in Australia to determine the pathogenicity of tongue worms in both their definitive and intermediate hosts. This is a preliminary study and to properly estimate the health impact of infection with this pathogenic parasites on Australian production and companion animals more studies are necessary.<br /> (Copyright © 2018 Elsevier B.V. All rights reserved.)
- Subjects :
- Animals
Animals, Wild parasitology
Australia epidemiology
Cattle parasitology
Cattle Diseases parasitology
Dog Diseases parasitology
Dogs parasitology
Eosinophilic Granuloma parasitology
Eosinophilic Granuloma pathology
Female
Lymph Nodes parasitology
Lymph Nodes pathology
Nasal Mucosa parasitology
Nasal Mucosa pathology
Necrosis
Parasitic Diseases, Animal epidemiology
Cattle Diseases epidemiology
Dog Diseases epidemiology
Parasitic Diseases, Animal pathology
Pentastomida pathogenicity
Subjects
Details
- Language :
- English
- ISSN :
- 1873-0329
- Volume :
- 67
- Issue :
- 5
- Database :
- MEDLINE
- Journal :
- Parasitology international
- Publication Type :
- Academic Journal
- Accession number :
- 29800721
- Full Text :
- https://doi.org/10.1016/j.parint.2018.05.011