The diagnosis for mystery case #15

Great interest and many good comments on this case! His diagnosis was:  Eosinophilic meningitis secondary to Angiostrongylus cantonensis infection. Angiostrongylus cantonensis is a parasitic nematode (roundworm) which causes angiostrongyliasis, the most common cause of eosinophilic meningitis in Southeast Asia and the Pacific Basin. The nematode commonly resides in the pulmonary arteries of rats, giving it the nickname rat lungworm. Humans are incidental ...


Mystery cells, case #15

Who can tell the diagnosis? A 50-year-old male from the State of Nevada was sailing his boat in the South Pacific for over a month. He would frequently eat raw shellfish and raw fish. He presented to a hospital in Nevada with muscle pain, numbness and headache. A spinal fluid aspiration was done and the ...


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