Human pulmonary dirofilariasis (HPD) is an uncommon disease in the United States. Dirofilaria is commonly known as "heartworm" based on the false belief that the worm resides in the heart which was based on findings from early necropsy reports. The first case was reported as an incidental autopsy finding in 1941. Since then only 87 more cases have been reported so far. We present an interesting...

1. Departamento de Diagnóstico por Imagem da Escola Paulista de Medicina da Universidade Federal de São Paulo, São Paulo, SP. 2. Centro de Medicina Diagnóstica Fleury, São Paulo, SP. Address to: Dr. Ricardo Jorge Vital. Dept de Diagnóstico por Imagem/UNIFESP/EPM. R. Napoleão de Barros 800, Vila Clementino, 04024-001 São Paulo, SP. e-mail: [email protected] Recebido para publicação em 22/4/2005 ...

An immature female worm, Dirofilaria immitis, was isolated from the scrotum of a 14-month-old child. This is the first identification of human dirofilariosis caused by D. immitis in a relatively Northern region (Moscow) of the Russian Federation. The parasite was diagnosed by means of morphological examination of the worm, confirmed by PCR assay. This case raises questions about the range of th...