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Severe pulmonary fascioloidosis in a wild Mouflon (Ovis musimon) - a case report

C. Stiles
C. Stiles
, 
M. Bujanić
M. Bujanić
, 
F. Martinković
F. Martinković
, 
I.-C. Šoštarić Zuckermann
I.-C. Šoštarić Zuckermann
 and 
D. Konjević
D. Konjević
   | Dec 25, 2021
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Article Category: Case report
Published Online: Dec 25, 2021
Page range: 394 - 399
Received: Apr 07, 2021
Accepted: Sep 06, 2020
DOI: https://doi.org/10.2478/helm-2021-0036
Keywords
© 2021 C. Stiles, M. Bujanić, F. Martinković, I.-C. Šoštarić Zuckermann, D. Konjević, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Fig. 1

Part of the mouflon liver. Note fibrin deposits and black stained traces (iron-porphyrin).
Part of the mouflon liver. Note fibrin deposits and black stained traces (iron-porphyrin).

Fig. 2

Lungs, dorsal surface. Caudal lung lobes are longitudinally cut to reveal migratory channels of the F. magna fluke. The migratory channels are characterized by elongated haemorrhagic and necrotic areas (evident on both sides) and with occasional cavitations (right lobe, left side of the figure). The left cranial lung lobe has one round haemorrhagic focus with central rupture of pleura and likely presents an exit point of fluke’s lung migratory pathway.
Lungs, dorsal surface. Caudal lung lobes are longitudinally cut to reveal migratory channels of the F. magna fluke. The migratory channels are characterized by elongated haemorrhagic and necrotic areas (evident on both sides) and with occasional cavitations (right lobe, left side of the figure). The left cranial lung lobe has one round haemorrhagic focus with central rupture of pleura and likely presents an exit point of fluke’s lung migratory pathway.

Fig. 3

Juvenile fluke removed from the mouflon lungs.
Juvenile fluke removed from the mouflon lungs.

Fig. 4

Lung, a segment of the migratory tract (channel) of F. magna. There is a mixture of fibrin, extravasated erythrocytes, and necrotic debris within the centre of the migratory tract (most of the lower half of the figure). Surrounding the centre (upper half of the figure) there is an elaborate immature fibrous tissue entrapping a few smaller and collapsed airways, and infiltrated by moderate numbers of lymphocytes, plasma cells, macrophages, and fewer neutrophils and eosinophils. Note numerous dark brown iron porphyrin pigment granules within the cytoplasm of the macrophages. Hematoxylin and eosin stain, 40X total magnification.
Lung, a segment of the migratory tract (channel) of F. magna. There is a mixture of fibrin, extravasated erythrocytes, and necrotic debris within the centre of the migratory tract (most of the lower half of the figure). Surrounding the centre (upper half of the figure) there is an elaborate immature fibrous tissue entrapping a few smaller and collapsed airways, and infiltrated by moderate numbers of lymphocytes, plasma cells, macrophages, and fewer neutrophils and eosinophils. Note numerous dark brown iron porphyrin pigment granules within the cytoplasm of the macrophages. Hematoxylin and eosin stain, 40X total magnification.

Fig. 5

Lung, a segment of one smaller migratory tract (channel) of F. magna. Adjacent to lumen filled with erythrocytes there is a narrow layer of degenerated and necrotic inflammatory cells which is further bounded with an immature fibrous tissue of similar composition as described in figure 2. Note one medium-sized bronchiole and several collapsed and distorted airways which are filled with cellular and karyorrhectic debris and extravasated erythrocytes (left half of the figure). Hematoxylin and eosin stain, 100X total magnification.
Lung, a segment of one smaller migratory tract (channel) of F. magna. Adjacent to lumen filled with erythrocytes there is a narrow layer of degenerated and necrotic inflammatory cells which is further bounded with an immature fibrous tissue of similar composition as described in figure 2. Note one medium-sized bronchiole and several collapsed and distorted airways which are filled with cellular and karyorrhectic debris and extravasated erythrocytes (left half of the figure). Hematoxylin and eosin stain, 100X total magnification.
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