Table 1 Nerve conduction studies in patient II/5
From: Atypical presentation of Charcot-Marie-Tooth disease type 1C with a new mutation: a case report
Nerve | Nerve segment | Index patient II/5 (60) 11/2020 | Index patient II/5 (58) 9/2018 | Index patient II/5 (56) 1/2017 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MNCS | Lat ms | Amp mV | MCV m/s | Dur ms | Lat ms | Amp mV | MCV m/s | Dur ms | Lat ms | Amp mV | MCV m/s | Dur ms | |
Median | |||||||||||||
Wrist | Wr-APB | 7.5 | 0.1 | 6.5 | 6.9 | 0.8 | 6.4 | 6.1 | 2.5 | 6.2 | |||
Elbow | El-Wr | 19.3 | 0.06 | 24.5 | 7.3 | 19.6 | 0.5 | 30.6 | 7.4 | 13.6 | 1.8 | 33 | 7.1 |
Axilla | Ax-El | 27.8 | 0.06 | 30.6 | 7.5 | 28.4 | 0.4 | - | 7.9 | ||||
Ulnar | |||||||||||||
Wrist | Wr-ADM | 4.8 | 9.1 | 6.9 | 4.5 | 11 | 7.6 | 4.4 | 7.8 | 7.8 | |||
Elbow | BE-Wr | 11.7 | 6.4 | 33.4 | 7.7 | 12.4 | 10 | 32.7 | 8.6 | 11.7 | 6.4 | 34.6 | 8.2 |
Axilla | AE-BE | 15.8 | 5.1 | 30.3 | 8.7 | 15.2 | 9.1 | 35.7 | |||||
Ax-BE | 21.4 | 3.4 | 35.7 | 8.7 | 23.1 | 5.5 | 46 | ||||||
Radial | |||||||||||||
Forearm | For-EIP | 3.6 | 1.6 | 7.3 | NA | NA | |||||||
Elbow | CF-For | 5.4 | 0.8 | 37.9 | 5.7 | ||||||||
Arm | Spir.g – CF | 7.4 | 0.6 | 34.8 | 6.1 | ||||||||
Peroneal | |||||||||||||
Ankle | An-EDB | 7.9 | 0.15 | 4.5 | NA | NA | |||||||
Fibula | FH-An | 22.7 | 0.14 | 20.8 | 4.8 | ||||||||
FP | FP-FH | 27.3 | 0.14 | 22.2 | 4.6 | ||||||||
Tibial | |||||||||||||
Ankle | AH-An | 5.9 | 0.18 | 3.8 | NA | 5.7 | 0.06 | 23.5 | 3.8 | ||||
FP | An-FP | 28.9 | 0.04 | 18.2 | 6.3 | 24.5 | 0.02 | 6.5 | |||||
SNCS | Lat ms | Amp uV | SCV m/s | Lat ms | Amp uV | SCV m/s | Lat ms | Amp uV | SCV m/s | ||||
Median | Wr-II | 6.5 | 5.8 | 39.5 | 5.9 | 6.1 | 35.4 | 5.6 | 3.2 | 37.2 | |||
Ulnar | Wr-V | 5.6 | 4.9 | 30.8 | 5.0 | 6.3 | 32.3 | 4.9 | 5.7 | 34.4 | |||
Radial | Wr-I | 3.9 | 4.3 | 42.0 | 3.8 | 4.5 | 42.3 | NA | |||||
Sural | Calf-LM | NE | NE | NE | |||||||||