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Aberrant laryngeal location of Onchocerca lupi in a dog.
Alho, Ana Margarida; Cruz, Luís; Coelho, Ana; Martinho, Filipe; Mansinho, Mário; Annoscia, Giada; Lia, Riccardo P; Giannelli, Alessio; Otranto, Domenico; de Carvalho, Luís Madeira.
Afiliación
  • Alho AM; CIISA, Faculty of Veterinary Medicine, ULisboa, Portugal. Electronic address: margaridaalho@fmv.ulisboa.pt.
  • Cruz L; Hospital Veterinário das Laranjeiras, Lisboa, Portugal.
  • Coelho A; Hospital Veterinário das Laranjeiras, Lisboa, Portugal.
  • Martinho F; Hospital Veterinário das Laranjeiras, Lisboa, Portugal.
  • Mansinho M; Hospital Veterinário Inemvet, Olhão, Portugal.
  • Annoscia G; Department of Veterinary Medicine, Università degli Studi di Bari, Italy.
  • Lia RP; Department of Veterinary Medicine, Università degli Studi di Bari, Italy.
  • Giannelli A; Department of Veterinary Medicine, Università degli Studi di Bari, Italy.
  • Otranto D; Department of Veterinary Medicine, Università degli Studi di Bari, Italy.
  • de Carvalho LM; CIISA, Faculty of Veterinary Medicine, ULisboa, Portugal.
Parasitol Int ; 65(3): 218-20, 2016 Jun.
Article en En | MEDLINE | ID: mdl-26732654
Onchocerca lupi (Spirurida, Onchocercidae) is an emerging vector-borne helminth that causes nodular lesions associated with acute or chronic ocular disease in dogs and cats. Since its first description in dogs in 1991, this zoonotic filarioid has been increasingly reported in Europe and the United States. An 8-year-old outdoor mixed-breed female dog from the Algarve (southern Portugal) was presented with a history of severe dyspnoea. Cervical and thoracic radiographs revealed a slight reduction in the diameter of the cervical trachea and a moderate increase in radiopacity of the laryngeal soft tissue. An exploratory laryngoscopy was performed, revealing filiform worms associated with stenosis of the thyroid cartilage and a purulent necrotic tissue in the larynx lumen. A single sessile nodule, protruding from the dorsal wall of the laryngeal lumen caused a severe reduction of the glottis and tracheal diameter. Fragments of the worms were morphologically and molecularly identified as O. lupi. Histological examination of the nodule showed a granulomatous reaction with sections of coiled gravid female nematodes. Following laryngoscopy, a tracheostomy tube was inserted to relieve dyspnoea and ivermectin (300 µg/kg, once a week, for 8 weeks) combined with prednisolone was prescribed. The dog showed a complete recovery. Although O. lupi has been isolated in human patients from the spinal cord, this is the first report of an aberrant migration of O. lupi in a dog. The veterinary medical community should pay attention to aberrant location of O. lupi and consider onchocercosis as a differential diagnosis for airway obstruction in dogs.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Onchocerca / Oncocercosis / Enfermedades de la Laringe / Enfermedades de los Perros Tipo de estudio: Diagnostic_studies / Prognostic_studies Límite: Animals País/Región como asunto: Europa Idioma: En Revista: Parasitol Int Asunto de la revista: PARASITOLOGIA Año: 2016 Tipo del documento: Article Pais de publicación: Países Bajos
Texto completo
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XML
PubMed Links
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Onchocerca / Oncocercosis / Enfermedades de la Laringe / Enfermedades de los Perros Tipo de estudio: Diagnostic_studies / Prognostic_studies Límite: Animals País/Región como asunto: Europa Idioma: En Revista: Parasitol Int Asunto de la revista: PARASITOLOGIA Año: 2016 Tipo del documento: Article Pais de publicación: Países Bajos