Occasional essay: Upper motor neuron syndrome in amyotrophic lateral sclerosis
The diagnosis of amyotrophic lateral sclerosis (ALS) requires recognition of both lower motor neuron (LMN) and upper motor neuron (UMN) dysfunction.1 However, classical UMN signs are frequently difficult to identify in ALS.2 LMN involvement is sensitively detected by electromyography (EMG),3 but, as...
| Main Authors: | , , , , , , |
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| 格式: | Journal article |
| 语言: | English |
| 出版: |
BMJ Publishing Group
2020
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