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Washington University Experience | VASCULAR | Infarct - Lacunar | 5A2 Infarct, Pyramid (Case 5) LFB-PAS WM
A cross section of the medulla is stained for myelin (LFB-PAS). The location of the infarct precisely in the right pyramid has produced a nearly pure motor stroke and picked off the right hypoglossal nerve as it courses around the pyramid and inferior olivary nucleus.
