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Eight patients from Uganda, Sudan, Nigeria, and Zaire presented with swelling of the eyelids, proptosis, or conjunctival granulomas. In 5 patients the cause was Mansonella perstans; in 1, it was a Wuchereria bancrofti-like worm; and in 2, an unidentifiable worm. The morphologic features and histopathologic changes in the conjunctiva and periorbital fat are described and illustrated.


Journal article


Am J Trop Med Hyg

Publication Date





553 - 557


Adolescent, Adult, Animals, Child, Conjunctival Diseases, Exophthalmos, Eye Infections, Parasitic, Female, Filariasis, Humans, Male, Mansonella, Mansonelliasis, Orbital Diseases, Wuchereria bancrofti