Case of Arnold-Chiari malformation

A 31-year-old female complained of headache and giddiness followed later by unsteady gait. These symptoms were not definitely diagnosed with the conventional X-ray examination, however, ENG test revealed down-beat nystagmus during positioning test, impaired fixation-suppression of caloric nystagmus,...

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Bibliographic Details
Published inEquilibrium Research Vol. 38; no. 2; pp. 242 - 246
Main Authors Kato, Isao, Nakai, Osamu, Wada, Hiromi, Kimura, Yo, Yagi, Naoyuki
Format Journal Article
LanguageEnglish
Published Japan Society for Equilibrium Research 1979
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ISSN0385-5716
1882-577X
DOI10.3757/jser.38.242

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Summary:A 31-year-old female complained of headache and giddiness followed later by unsteady gait. These symptoms were not definitely diagnosed with the conventional X-ray examination, however, ENG test revealed down-beat nystagmus during positioning test, impaired fixation-suppression of caloric nystagmus, and inverted optokinetic responses. From these findings described above, the central nervous system disorders, such as brainstem and/or cerebellar lesions were strongly suggested. A definite diagnosis was established with the neuroradiological examinations. Hence, neurotological examinations are considered to be one of the most reliable functional measures in the diagnosis of brainstem lensions.
ISSN:0385-5716
1882-577X
DOI:10.3757/jser.38.242