Table 1 Electrophysiological findings in lower limbs of three probands with CMTX
Case1 | Case2 | Case3 | ||
|---|---|---|---|---|
Peroneal. L | ||||
Conduction velocity | M | 25 m/s(>40) | 39 m/s(>40) | 30 m/s(>40) |
S | NA | 50 m/s(>40) | NA | |
Amplitude | M | 0.1 mV(>5) | 2.2 mV(>5) | 0.3 mV(>5) |
S | NR | 4.2 μV(>5) | NR | |
Latency | M | 5.4 ms(<3.2) | 4.6 ms(<3.2) | 4.9 ms(<3.2) |
Peroneal. R | ||||
Conduction velocity | M | NA | 48 m/s(>40) | NA |
S | NA | 49 m/s(>40) | NA | |
Amplitude | M | NR | 1.6 mV(>5) | NR |
S | NR | 3.5 μV(>5) | NR | |
Latency | M | NR | 4.2 ms(<3.2) | NR |
Tibial. L | ||||
Conduction velocity | M | 35 m/s(>40) | 45 m/s(>40) | 24 m/s(>40) |
S | NA | 39 m/s(>40) | NA | |
Amplitude | M | 0.5 mV(>5) | 6.0 mV(>5) | 0.3 mV(>5) |
S | NR | 4.4 μV(>5) | NR | |
Latency | M | 3.9 ms(<3.2) | 4.4 ms(<3.2) | 10.1 ms(<3.2) |
Tibial. R | ||||
Conduction velocity | M | 31 m/s(>40) | 49 m/s(>40) | 23 m/s(>40) |
S | 33 m/s(>40) | 41 m/s(>40) | NA | |
Amplitude | M | 0.3 mV(>5) | 6.6 mV(>5) | 0.5 mV(>5) |
S | 3.1 μV(>5) | 4.0 μV(>5) | NR | |
Latency | M | 6.3 ms(<3.2) | 5.8 ms(<3.2) | 10.1 ms(<3.2) |