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Crenosoma striatum in lungs of European hedgehogs (Erinaceus europeus) from Portugal

P. F. Barradas
P. F. Barradas
, 
A. R. Flores
A. R. Flores
, 
T. L. Mateus
T. L. Mateus
, 
F. Carvalho
F. Carvalho
, 
F. Gärtner
F. Gärtner
, 
I. Amorim
I. Amorim
 and 
J. R. Mesquita
J. R. Mesquita
   | May 23, 2020
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Article Category: Research Note
Published Online: May 23, 2020
Page range: 179 - 184
Received: Dec 03, 2019
Accepted: Feb 25, 2020
DOI: https://doi.org/10.2478/helm-2020-0020
Keywords
© 2020 P. F. Barradas, A. R. Flores, T. L. Mateus, F. Carvalho, F. Gärtner, I. Amorim, J. R. Mesquita, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Fig. 1

Morphological characteristics for the identification of Crenosoma striatum. A - rudimentary buccal capsule with a cross striation body cutile, B – copulatory bursa with two spicules, C – median vulva, D – eggs with ovoid shape that contain L1.
Morphological characteristics for the identification of Crenosoma striatum. A - rudimentary buccal capsule with a cross striation body cutile, B – copulatory bursa with two spicules, C – median vulva, D – eggs with ovoid shape that contain L1.

Fig. 2

a) and b) Presence of worms (arrowhead) within the bronchi and bronchioles. The alveoli are oedematous and contain abundant mixed inflammatory infiltrate and smooth-muscle hyperplasia (*) around the bronchiole is observed (case 7). c) Hyperplasia of the bronchial epithelium (arrow). Presence of intraluminal worms mixed with mucus and increased number of macrophages (case 1). d) Alveoli are filled with worms, proteinaceous material (oedema) and inflammatory infiltrate composed of neutrophils, eosinophils, macrophages, lymphocytes and plasma cells (case 8).
a) and b) Presence of worms (arrowhead) within the bronchi and bronchioles. The alveoli are oedematous and contain abundant mixed inflammatory infiltrate and smooth-muscle hyperplasia (*) around the bronchiole is observed (case 7). c) Hyperplasia of the bronchial epithelium (arrow). Presence of intraluminal worms mixed with mucus and increased number of macrophages (case 1). d) Alveoli are filled with worms, proteinaceous material (oedema) and inflammatory infiltrate composed of neutrophils, eosinophils, macrophages, lymphocytes and plasma cells (case 8).

Fig. 3

Phylogenetic trees based on ribosomal 12S rRNA and 18S rRNA were constructed using the Maximum Likelihood method based on the Hasegawa-Kishino-Yano model (A) and the Neighbor-Joining method based on the Kimura 2-parameter model (B), and bootstrap values are based on 5000 replicates.
Phylogenetic trees based on ribosomal 12S rRNA and 18S rRNA were constructed using the Maximum Likelihood method based on the Hasegawa-Kishino-Yano model (A) and the Neighbor-Joining method based on the Kimura 2-parameter model (B), and bootstrap values are based on 5000 replicates.

Characterization of necropsied hedgehogs lung lesions and cause of death.

Case nrGenderSeasonLung lesionsConcurrent lungwormCause of death
1MaleSpringDiffuse subacute bronchopneumoniaYesParasitic pneumonia
2FemaleAutumnPulmonary edemaNoHeart chronic failure
3FemaleWinterHyperemia and pulmonary edemaNoHeart chronic failure
4MaleSpringSubacute multifocal to diffuse pneumoniaNoPneumonia
5FemaleSpringMultifocal chronic interstitial pneumoniaNoChronic pneumonia
6MaleSpringFibrinopurulent pleuropneumoniaNoPleuropneumonia
7MaleSpringDiffuse subacute bronchopneumoniaYesParasitic pneumonia
8MaleAutumnDiffuse subacute bronchopneumoniaYesParasitic pneumonia
9MaleAutumnDiffuse subacute interstitial pneumoniaNoPneumonia
10MaleAutumnDiffuse subacute bronchopneumoniaYesParasitic pneumonia
11FemaleAutumnDiffuse subacute bronchopneumoniaYesParasitic pneumonia
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