Abstract
Eosinophilic meningitis is defined by the presence of 10 or more eosinophils per microliter in the cerebrospinal fluid (CSF) or eosinophilia of at least 10% of the total CSF leucocyte count. 1 It is rare in Western countries, where it is sometimes seen in association with tuberculosis, syphilis, and coccidioidomycosis. 2 Worldwide, the most common cause of eosinophilic meningitis is invasion of the central nervous system by helminthic parasites, in particular Angiostrongylus cantonensis and Gnathostoma spinigerum. 1 Most cases occur in Southeast Asia and throughout the Pacific basin. 3 International travel has increased the possibility of exposure to these parasites and has led to further dissemination via ship-borne dispersal of infected rat vectors. In this article, we report a case of eosinophilic meningitis due to A. cantonensis in a Singaporean woman.
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