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Case of human Dirofilaria repens infection manifested by cutaneous larva migrans syndrome

Author:
Antolová, Daniela, Miterpáková, Martina, Paraličová, Zuzana
Source:
Parasitology research 2015 v.114 no.8 pp. 2969-2973
ISSN:
0932-0113
Subject:
Dirofilaria repens, burning, carnivores, cytochrome-c oxidase, dogs, erythema, etiological agents, eyes, human diseases, humans, larva migrans, men, pain, parasites, patients, polymerase chain reaction, risk, Europe
Abstract:
Dirofilaria repens, parasite of subcutaneous tissues of dogs and other carnivores, represents high infection risk for animals and humans in Europe. In men, infection usually presents as nodule in subcutaneous tissues or, less often, the lesions are localised around the eyes. The work presents first confirmed clinical case of human D. repens infection connected with cutaneous larva migrans syndrome. In patient, the migration of the worm caused true signs of creeping eruption, elevated sinuous track under the skin. It was connected with severe pain, burning and erythema of adjacent skin. Symptoms appeared at least three times, approximately once a month, always in the evening or night and lasted from several minutes to several days. In December 2014, during the scratching of residual pruritic lesion, patient removed 6-cm long, whitish worm from the wound. Morphological features (longitudinal ridges) and PCR amplification of cytochrome oxidase subunit 1 (CO1) confirmed Dirofilaria repens as etiological agent of infection. Herein, presented case confirmed that D. repens infection in humans can be associated with real creeping eruption, clinical sign of cutaneous larva migrans and should be included in its differential diagnosis.
Agid:
4388655