A 66-Year-Old Woman with a Progressive, Longitudinally Extensive, Tract Specific, Myelopathy

Figure 2

Acute and subacute ischemic changes in the spinal cord. (a, b) Intermediate-power and high-power photomicrographs of dorsal columns in a section with neutrophilic infiltrates and reactive vessels (original magnifications, ×40 and ×400, resp.; H-E stain); (c) low-power photomicrograph of spinal cord stained with antibody against CD68 to demonstrate foamy macrophages and microglia, primarily within dorsal columns and lateral white matter tracts (original magnification, ×20; CD68 immunostain); (d) higher-power photomicrograph of the dorsal columns showing CD68-positive macrophages and microglia (original magnification, ×200; CD68 immunostain).

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