Pulmonary coin lesion caused by Dirofilaria immitis – a report of two cases with a minireview of the literature

Maja Jerše

doi:10.5114/pjp.2022.125821

eISSN: 2084-9869
ISSN: 1233-9687

Polish Journal of Pathology

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4/2022
vol. 73

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abstract:

Original paper

Pulmonary coin lesion caused by Dirofilaria immitis – a report of two cases with a minireview of the literature

Maja Jerše

¹

Faculty of Medicine, Institute of Pathology, University of Ljubljana, Ljubljana, Slovenia

Pol J Pathol 2022; 73 (4): 352-358

DOI: https://doi.org/10.5114/pjp.2022.125821

Online publish date: 2023/03/20

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Dirofilariasis is a rare zoonosis, transmitted from infested dogs or other carnivorous animals to humans via mosquitoes.

Two male patients with a solitary, peripheral, well-defined, coin-like pulmonary lesion in the right upper lobe were presented.

Rapid enlargement of the lesion within a few months suggested malignancy, resulting in surgical removal. Microscopic examination of the resected lung revealed necrotic circumscribed lesions with embolized parasites in the vessels.

Both parasites were females of the species Dirofilaria immitis. They represent the first reported cases of pulmonary dirofilariasis in Slovenia. Awareness of this entity is important in the differential diagnosis of pulmonary coin lesions.

keywords:

Pulmonary coin lesion caused by Dirofilaria immitis – a report of two cases with a minireview of the literature

Maja Jerše 1

zoonosis, pulmonary dirofilariasis, coin lesion

Maja Jerše

¹