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頁籤選單縮合
題名 | Hirayama Disease: A Report of Two Cases |
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作者 | Tseng, Chun-hung; Wang, Pao-yu; | 書刊名 | Acta Neurologica Taiwanica |
卷期 | 9:4 民89.12 |
頁次 | 頁297-302 |
分類號 | 415.9413 |
關鍵詞 | 運動神經元疾病; 磁振造影; Hirayama disease; Motor neuron disease; Magnetic resonance image; |
語文 | 英文(English) |
英文摘要 | We present two young men with progressive weakness, occasional fasciculation, and wasting of their thenar, hypothenar and forearm flexor muscles. Neither evidence of involvement of the upper motor neurons, nor sensory impairment was found. Hirayama disease, a rare form of focal segmental motor neuron disease of lower cervical spinal cord, especially at C7, C8 and T1, was diagnosed after assessing results of clinical and electrophysiological studies. Hirayama disease is usually noted in young Asian males between the ages of 15 and 25 years, and was usually asymmetric with involvement of unilateral upper limbs. On magnetic resonance images of the cervical spine, neither of our two patients showed abnormalities over the cervical spine and spinal cord on the nature posture, or abnormal vascular engorgement behind the cervical spinal cord on the neck flexion. |
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