Humans are not natural hosts of Dirofilaria; however, pulmonary or subcutaneous infections may occur through mosquitoes\r\ntransmission. Patients presenting with simple subcutaneous nodules may not seek early medical attention, and hence systemic\r\ninvolvement through hematogenous spread may occur. Definitive diagnosis of Dirofilaria infection is made by histopathological\r\nexaminations of the infected tissues. We report a patient with an incidental diagnosis of Dirofilaria infection confirmed by\r\nhistopathological findings of a subcutaneous nodule on the right thigh. The source of infection remains unknown.
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