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A blind passenger : a rare case of documented seroconversion in an; Angiostrongylus cantonensis; induced eosinophilic meningitis in a traveler visiting friends and relatives
JournalItem (Reviews, Editorials, Rezensionen, Urteilsanmerkungen etc. in einer wissenschaftlichen Zeitschrift)
ID
4501313
Author(s)
Brummaier, Tobias; Bertschy, Sonja; Arn, Kornelius; Treumann, Thomas; Ruf, Marie-Therese; Nickel, Beatrice; Paris, Daniel H.; Neumayr, Andreas; Blum, Johannes
A blind passenger : a rare case of documented seroconversion in an; Angiostrongylus cantonensis; induced eosinophilic meningitis in a traveler visiting friends and relatives
Journal
Tropical diseases, travel medicine and vaccines
Volume
5
Pages
6
Abstract
Eosinophilic meningitis (EOM) is a rare condition that is caused by various communicable and non-communicable factors. The rat-lungworm; Angiostrongylus cantonensis; , which is associated with consumption of raw or undercooked paratenic or intermediate hosts, is the most common cause of parasitic eosinophilic meningitis worldwide. While the majority of; A. cantonensis; cases are reported from endemic regions, cases in travelers pose a challenge to clinicians in non-endemic countries. Here we report a rare case of eosinophilic meningitis caused by; A. cantonensis; in a Swiss traveler who was diagnosed after returning from Thailand.; A 33-year old woman with a travel history to rural north-eastern Thailand presented to an emergency department in Switzerland with severe headache and vomiting. Eosinophilic meningitis was confirmed as the cause of the symptoms; however, serologic investigations failed to confirm an; A. cantonensis; infection on the first evaluation. Nevertheless, empirical treatment with an anthelminthic and steroid regimen led to a rapid alleviation of symptoms. Repeated serology confirmed seroconversion 2 weeks after treatment initiation.; Parasitic etiology must be considered in returning travelers who present with symptoms compatible with a central nervous system infection. A thorough medical history, including types of food consumed, is paramount and can often suggest differential diagnosis. Neuroangiostrongyliasis is rare and might be missed if serology does not cover possible seroconversion.