Microfilariae of Mansonella ozzardi in Human Skin Biopsies

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  • Department of Microbiology and Department of Pathology, University of Texas Medical Branch, Instituto Nacional de Salud de Colombia, Galveston, Texas 77550, Colombia

Microfilariae of Mansonella ozzardi were seen in specimens of skin taken by biopsy from 4 of 6 subjects previously shown to be positive for microfilariae in the blood. While most of the microfilariae were confined to small blood vessels in the papillary and superficial reticular dermis, some were in perivascular spaces and a few were noted in the dermal interstitium. There was no microscopic evidence that the minimal cutaneous disease seen could be directly attributed to the microfilariae.