Publication: Eosinophilic meningitis in Thailand. Clinical studies of 484 typical cases probably caused by Angiostrongylus cantonensis
Issued Date
1975-12-01
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ISSN
00029637
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2-s2.0-0016707684
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Mahidol University
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SCOPUS
Bibliographic Citation
American Journal of Tropical Medicine and Hygiene. Vol.24, No.6 I (1975), 921-931
Suggested Citation
S. Punyagupta, P. Juttijudata, T. Bunnag Eosinophilic meningitis in Thailand. Clinical studies of 484 typical cases probably caused by Angiostrongylus cantonensis. American Journal of Tropical Medicine and Hygiene. Vol.24, No.6 I (1975), 921-931. Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/10758
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Title
Eosinophilic meningitis in Thailand. Clinical studies of 484 typical cases probably caused by Angiostrongylus cantonensis
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Abstract
646 patients with an eosinophilic pleocytosis were studied in Thailand over a 3 yr period ending in March 1968. It was possible to divide the cases into 2 clinical entities, which were termed typical eosinophilic meningitis and eosinophilic myeloencephalitis respectively. The clinical and laboratory findings of 484 cases of typical eosinophilic meningitis are reported. The latter entity was generally benign and self limited with a mortality ratio of less then 0.5%. Acute severe headache was the most significant symptom. Fever was uncommon and abnormal neurologic findings were absent in 58% of cases. 16% of patients had visual impairment and 12% had an abnormal fundus. Impairment of the sensorium of a slowly progressive type and weakness of the extremities without localization were noted in 5% and less than 1% of patients, respectively. These signs occurred only in severely ill patients. Involvement of the cranial nerves was found in 17% of patients. Paralysis of the external rectus muscle of the eye and facial paralysis were found in 3% and 4%, respectively. The cerebrospinal fluid was characteristically turbid with a leukocyte count of more than 500 cells per mm 3 in 75% of cases. It appeared that specific treatment of the disease was not indicated and that steroids and antibiotics did not have a definite beneficial effect on the course of the illness.