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Parasite. 2020;27:16. doi: 10.1051/parasite/2020015. Epub 2020 Mar 18.

Oral migration of Dirofilaria repens after creeping dermatitis.

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Assistance Publique - Hôpitaux de Paris, Service de Chirurgie Maxillo-faciale et Stomatologie, Hôpital Universitaire Pitié-Salpêtrière, Université Pierre et Marie Curie Paris 6, Sorbonne Université, 75013 Paris, France.
Assistance Publique - Hôpitaux de Paris, Service des Maladies Infectieuses et Tropicales, Hôpital Universitaire Pitié-Salpêtrière, Sorbonne Université, 75013 Paris, France.
Unité Molécules de Communication et Adaptation des Microorganismes (MCAM, UMR7245), Muséum National d'Histoire Naturelle, CNRS, 75231 Paris, France.


in English, French

We report an autochthonous case of oral dirofilariasis in a 46-year-old female patient exposed in South-Eastern France. The patient first presented eyelid creeping dermatitis of one-week duration, then a sub-mucosal nodule appeared in the cheek. The entire nodule was removed surgically. Histologically, the nodule appeared as inflammatory tissue in which a worm was seen. The molecular analysis, based on cox1 and 12S sequences, identified Dirofilaria repens. Ivermectin treatment was given prior to diagnosis, while taking into consideration the most common causes of creeping dermatitis, but treatment was ineffective. The oral form of dirofilariasis is uncommon and could lead to diagnostic wandering.


Creeping dermatitis; Cutaneous larva migrans; Dirofilaria repens; Dirofilariasis; Oral nodule

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