PMC3604870_01
Motor nerve conduction study of the tibial (a, c) and median nerves (b, d). Marked temporal dispersion of distal compound muscle action potential (CMAP) in the tibial nerve (a) improved after rituximab therapy (c). The waveform of the CMAP in the median nerve is unchanged (b, d).
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F1
The temporal dispersion of distal CMAP was apparent in the tibial nerve (fig. 1a), and the duration of CMAP was slightly prolonged in the median nerve (fig. 1b). The temporal dispersion of distal CMAP in the tibial nerve improved significantly (fig. 1c), but the CMAP waveform in the median nerve was unchanged (fig. 1d).