Fifty six childen with mumps meningoencephalitis were admitted to Pediatric department, Severance hospital between March, 1958 and Au.aust, 1974.
The clinical illness of these children were studied and the following results were obtained.
1. The incidental ratio to total in-patients was 0.450.
2. The monthly distribution was highest in summer, and the peak incidence in June(25.9%).
3. The sex incidence was more common in male CM:F=3 : 1).
4. The age incidence was highest in 6 to 8 Fears 051.8%).
5. The clinical features were fever, vomiting, salivary gland swelling, headache, nuchal rigidity, Kernig´s sign, and abdominal pain, in it´s order of frequency.
6. The symptoms and signs of meningoencephalitis were present in 11(19.6116) l:efore salivary gland enlargment, in 36(64%) after it, and in 9(16.15vo) simultaneously.
7. In. C.S.F. findings, the cell count was elevated in all cases, protein was normal or slightly elevated and sugar was normal in all cases.
8. A follow-up study of a number of patients was done, and the absence of serious sequale, in this series suggest that a good prognosis may usually be given in mumps meningoencephalitis.
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