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First description of histopathological lesions associated with a fatal infection of moose (Alces alces) with the liver fluke Parafasciolopsis fasciolaemorpha Ejsmont, 1932

Katarzyna Filip-Hutsch

Katarzyna Filip-Hutsch

W. Stefański Institute of Parasitology PANWarsaw, Poland
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Filip-Hutsch, Katarzyna
, 
Tomasz Hutsch

Tomasz Hutsch

Department of Experimental Physiology and Pathophysiology, Laboratory of the Centre for Preclinical Research, Medical University of WarsawWarsaw, Poland
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Hutsch, Tomasz
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Szymon Kolasa

Szymon Kolasa

Polesie National ParkUrszulin, Poland
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Kolasa, Szymon
 und 
Aleksander W. Demiaszkiewicz

Aleksander W. Demiaszkiewicz

W. Stefański Institute of Parasitology PANWarsaw, Poland
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Demiaszkiewicz, Aleksander W.
  
16. Nov. 2019
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Online veröffentlicht: 16. Nov. 2019
Seitenbereich: 549 - 554
Eingereicht: 28. März 2019
Akzeptiert: 30. Okt. 2019
DOI: https://doi.org/10.2478/jvetres-2019-0068
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© 2019 K. Filip-Hutsch et al. published by Sciendo
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Fig. 1

Parafasciolopsis fasciolaemorpha flukes isolated from a moose liver
Parafasciolopsis fasciolaemorpha flukes isolated from a moose liver

Fig. 2

Histopathological picture of cavities filled with flukes. A, D – liver flukes of Parafasciolopsis fasciolaemorpha, 10× (eyepiece) and 4× (objective); B, E – cyst capsule, 10× (eyepiece) and 4× (objective); C, F – the inner part of the cyst capsule, 10× (eyepiece) and 10× (objective); G – bile ductules in the layer of infiltration and secondary fibrosis, 10× (eyepiece) and 40× (objective); H – arteries in the layer of secondary fibrosis, 10× (eyepiece) and 40× (objective); I – cells of inflammatory infiltration, 10× (eyepiece) and 100× (objective). A, B, C, G, H, I – HE staining; D, E, F – Van Gieson staining. Black arrow – bile ductule, white arrow – artery, double arrow – connective tissue hyperplasia, * inflammatory infiltration
Histopathological picture of cavities filled with flukes. A, D – liver flukes of Parafasciolopsis fasciolaemorpha, 10× (eyepiece) and 4× (objective); B, E – cyst capsule, 10× (eyepiece) and 4× (objective); C, F – the inner part of the cyst capsule, 10× (eyepiece) and 10× (objective); G – bile ductules in the layer of infiltration and secondary fibrosis, 10× (eyepiece) and 40× (objective); H – arteries in the layer of secondary fibrosis, 10× (eyepiece) and 40× (objective); I – cells of inflammatory infiltration, 10× (eyepiece) and 100× (objective). A, B, C, G, H, I – HE staining; D, E, F – Van Gieson staining. Black arrow – bile ductule, white arrow – artery, double arrow – connective tissue hyperplasia, * inflammatory infiltration

Fig. 3

Histopathological changes in the liver parenchyma in the infection with Parafasciolopsis fasciolaemorpha in comparison to the healthy moose liver. A, B – healthy moose liver; C, D – the parenchyma of a moose liver infected with Parafasciolopsis fasciolaemorpha; All images at 10× (eyepiece) and 10× (objective). A, B – HE staining; C, D – Van Gieson staining. Black arrow – connective tissue bands, CV – central veins, PF – portal fields
Histopathological changes in the liver parenchyma in the infection with Parafasciolopsis fasciolaemorpha in comparison to the healthy moose liver. A, B – healthy moose liver; C, D – the parenchyma of a moose liver infected with Parafasciolopsis fasciolaemorpha; All images at 10× (eyepiece) and 10× (objective). A, B – HE staining; C, D – Van Gieson staining. Black arrow – connective tissue bands, CV – central veins, PF – portal fields

Fig. 4

Diagram of pathogenesis of P. fasciolaemorpha infection
Diagram of pathogenesis of P. fasciolaemorpha infection
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