Pre-Emptive Treatment of Lidocaine Attenuates Neuropathic Pain and Reduces Pain-Related Biochemical Markers in the Rat Cuneate Nucleus in Median Nerve Chronic Constriction Injury Model

Figure 4

Photomicrographs showing NPY-LI fibers in the middle region of the ipsilateral CN four weeks after chronic constriction injury in control (a, b) or four weeks after CCI without (left panel) or with (right panel) electrical stimulation in presaline (c, d), 1% (e, f), and 5% (g, h) lidocaine pre-treatment groups. Bar = 100 μm.

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