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肌萎缩性侧束硬化症(ALS)的病因未明,但有可能是病毒感染所致。在病理学上,本病的特征是脊髓前角细胞和大脑锥体细胞的变性,而无大多数病毒感染所伴有的炎症反应。人体大脑海绵状病变(痉笑
Amyotrophic lateral sclerosis (ALS) etiology is not yet known, but may be caused by a viral infection. Pathologically, this disease is characterized by degeneration of spinal cord anterior horn cells and pyramidal neurons without the inflammatory response associated with most viral infections. Spongiform human brain lesions (spasm laugh