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KMID : 0390220170280010081
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Journal of Clinical Otolaryngology, Head and Neck Surgery
2017 Volume.28 No. 1 p.81 ~ p.85
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A Case of Arnold Chiari Malformation Presented with Isolated Vertigo
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Jang Youn-Il
Yoo Han-Seok
Chung Jae-Ho
Lee Seung-Hwan
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Abstract
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A type 1 Arnold-Chiari malformation is defined by herniation of cerebellar tonsil through the foramen magnum. It is usually asymptomatic until three decades to five decades. Symptoms of type 1 Arnold-Chiari malformation are headache, lower cranial palsy, motor weakness and ataxia. However, isolated vertigo has rarely been described as a first presenting symptom of the disease. A seven-year-old boy presented with acute vertigo. A left beating horizontal nystagmus was identified, while the caloric response was normal. And other neurologic deficits were not evident. Magnetic resonance image confirmed a type 1 Arnold-Chiari malformation and decompressive surgery has been performed. After surgery, nystagmus was disappeared and subjective dizziness was improved. An isolated vertigo might be a first symptom of type 1 Arnold-Chiari malformation. We must consider the possibility of congenital malformation in the differential diagnosis of vertigo.
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KEYWORD
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Arnold chiari malformation, Vertigo
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