lou gehrig's disease
Also known as amyotrophic lateral sclerosis (ALS).  This is a disease of motor neuron cells (cells which cause muscles to move) within the spinal cord and brainstem.  This disease may present with weakness of the arms and legs, difficulty with speaking and swallowing, and rarely with dementia.  For the neurosurgeon, it is important to distinguish this disease from cervical myelopathy, which is cord injury caused by spinal cord compression in the neck.  Generally, the survival in patients with ALS is 5 years.

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