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Washington University Experience | BASIC PROCESSES | Olivary Hyperplasia | 6A2 Olivary Hyperplasia (Case 4, N10) H&E 1

Interruption of the central tegmental tract and adjacent areas in the cerebellum and brainstem result in unilateral loss of descending fibers in the pyramid (arrowhead) and focal increase in ipsilateral ION size (arrow). (H&E)

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