Unusual parasitoses in urban dogs: Urinary capillariosis and linguatulosis, cases report

Dimzas, Dimitris; Morelli, Simone; Colombo, Mariasole; Di Cesare, Angela; Martinis, Dimitrios; Dourdas, Georgios; Diakou, Anastasia

doi:10.1016/j.vprsr.2023.100949

Veterinary Parasitology: Regional Studies and Reports

2024

DOI: 10.1016/j.vprsr.2023.100949

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Unusual parasitoses in urban dogs: Urinary capillariosis and linguatulosis, cases report

Dimitris Dimzas,

Simone Morelli,

Mariasole Colombo

et al.

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2024

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Cited by 1 publication

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Intranasal Linguatula serrata (tongue worm) in canids and vulpids can be detected using computed tomography

Birckhead,

Jenkins,

Shamsi

et al. 2024

Vet Radiology Ultrasound

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Linguatula serrata (“tongue worm”) is a zoonotic intranasal parasite found globally in wild dogs, free‐ranging dogs, some domestic dogs, and vulpids. Since there are no sensitive tests currently available, infections are underdiagnosed. This is a pilot observational prospective study aimed at determining whether nasal linguatulosis can be diagnosed using CT. The secondary aims were to evaluate radiography, rhinoscopy, and nasal egg swabs as methods in the diagnosis of tongue worms. Fifty‐four wild canids and three vulpids euthanased by gunshot were sourced from pest‐control officers. Cadaver heads were subjected to helical CT examination, nasal‐swabbed for tongue worm eggs, and necropsied. Radiographs and rhinoscopy were performed on cadavers suspected to be infected based on preliminary CT examination. Tongue worms were retrieved at necropsy in 25 dogs and one fox. CT findings in animals with no nasal cavity ballistic damage were reviewed in six infected dogs and one infected fox. Adult female tongue worms were identified in 4 of 6 dogs and 1 of 1 fox as long, tubular, slightly heterogeneously attenuating structures in the mid to caudal nasal cavities. They were not clearly visible in CT scans when surrounded by nasal fluid, and small parasites (male and immature females) were not discernible. Radiographic findings were mild and nonspecific. One tongue worm was detected in 1 of 12 dogs examined rhinoscopically. Tongue worm eggs were found in swabs from 7 of 25 dogs. While small tongue worms could not be detected with CT, CT proved to be a useful diagnostic method for visualizing adult female tongue worms.

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Intranasal Linguatula serrata (tongue worm) in canids and vulpids can be detected using computed tomography

Birckhead,

Jenkins,

Shamsi

et al. 2024

Vet Radiology Ultrasound

View full text Add to dashboard Cite

show abstract

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Unusual parasitoses in urban dogs: Urinary capillariosis and linguatulosis, cases report

Cited by 1 publication

References 28 publications

Intranasal Linguatula serrata (tongue worm) in canids and vulpids can be detected using computed tomography

Intranasal Linguatula serrata (tongue worm) in canids and vulpids can be detected using computed tomography

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