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PART 17: Neurologic Disorders
SECTION 2   Diseases of the Central Nervous System

374 Amyotrophic Lateral Sclerosis and Other Motor Neuron Diseases
Robert H. Brown, Jr.

Figure 374-1  Amyotrophic lateral sclerosis. Axial T2-weighted MRI scan through the lateral ventricles of the brain reveals abnormal high signal intensity within the corticospinal tracts (arrows). This MRI feature represents an increase in water content in myelin tracts undergoing Wallerian degeneration secondary to...
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