Neospora caninum and Ehrlichia canis co-infection in a dog with meningoencephalitis

© 2018 American Society for Veterinary Clinical Pathology.

Bibliographische Detailangaben
Veröffentlicht in:Veterinary clinical pathology. - 1975. - 47(2018), 2 vom: 26. Juni, Seite 289-293
1. Verfasser: Aroch, Itamar (VerfasserIn)
Weitere Verfasser: Baneth, Gad, Salant, Harold, Nachum-Biala, Yaarit, Berkowitz, Asaf, Shamir, Merav, Chai, Orit
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:Veterinary clinical pathology
Schlagworte:Case Reports Journal Article Canine eosinophil hepatozoon monocytic ehrlichiosis neosporosis
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520 |a An 8-year-old mixed-breed dog was presented for acute, progressive weakness and ataxia, inappetence, and weight loss. The patient was mentally normal, but nonambulatory, with a right head tilt, right positional ventral strabismus, and slight head tremors. A neurologic lesion was localized to the cerebellum and right brainstem. Cerebrospinal fluid (CSF) analysis showed a markedly increased protein concentration and mixed pleocytosis, with eosinophil predominance (44%), intracytoplasmic inclusions within eosinophils, consistent with Ehrlichia canis (E canis) morulae, and Toxoplasma gondii (T gondii) or Neospora caninum (N caninum) tachyzoites within eosinophils and monocytes. A serum indirect immunofluorescent antibody test was positive for N caninum (titer 1:12 800) and negative for T gondii. Both blood and CSF PCR results were N caninum- and E canis-positive and T gondii- and Anaplasma phagocytophilum-negative, and blood PCR, but not CSF PCR, was Hepatozoon canis-positive. The dog was treated for 30 days with clindamycin, sulfamethoxazole-trimethoprim, doxycycline, prednisone, and cephalosporin, but did not improve neurologically, and was euthanized. Brain histopathology showed moderate multifocal, subacute meningoencephalitis with necrosis and gliosis. The neurologic disease was mostly attributed to central nervous system (CNS) neosporosis, with the possible contribution of ehrlichiosis, which was likely a manifestation of blood-brain barrier disruption. Hepatozoonosis was probably a result or cause of underlying immunosuppression. To our knowledge, this is the first report of CNSN caninum and E canis co-infection detected by both CSF PCR and cytology and E canis morulae identified within CSF eosinophils 
650 4 |a Case Reports 
650 4 |a Journal Article 
650 4 |a Canine 
650 4 |a eosinophil 
650 4 |a hepatozoon 
650 4 |a monocytic ehrlichiosis 
650 4 |a neosporosis 
700 1 |a Baneth, Gad  |e verfasserin  |4 aut 
700 1 |a Salant, Harold  |e verfasserin  |4 aut 
700 1 |a Nachum-Biala, Yaarit  |e verfasserin  |4 aut 
700 1 |a Berkowitz, Asaf  |e verfasserin  |4 aut 
700 1 |a Shamir, Merav  |e verfasserin  |4 aut 
700 1 |a Chai, Orit  |e verfasserin  |4 aut 
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