Table 3 Nerve conduction studies in son III/7 (31 years old)
From: Atypical presentation of Charcot-Marie-Tooth disease type 1C with a new mutation: a case report
Nerve | Nerve segment | 11/2020 (dx) | 11/2020 (sin) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
MNCS | Lat ms | Amp mV | MCV m/s | Dur ms | FW min lat ms | Lat ms | Amp mV | MCV m/s | Dur ms | FW min lat ms | |
Median | |||||||||||
Wrist | Wr-APB | 5.7 | 11.0 | 8.8 | NE | 5.3 | 12.8 | 32.5 | 8.2 | 45.4 | |
Elbow | El-Wr | 13.0 | 7.7 | 31.6 | 10.2 | 12.8 | 9.1 | 10.4 | |||
Axilla | Ax-El | 19.2 | 6.1 | 45.5 | 11.3 12.1 | ||||||
Ulnar | |||||||||||
Wrist | Wr-ADM | 4.1 | 8.9 | 33.4 | 8.5 | 48.8 | 4.35 | 9.4 | 29.5 | 8.5 | 47.4 |
Elbow | BE-Wr | 11.0 | 6.9 | 27.8 | 10.0 | 11.8 | 7.3 | 31.3 | 9.8 | ||
Axilla | AE-BE | 14.6 | 6.4 | 33.8 | 10.7 | 15.0 | 6.5 | 10.1 | |||
Ax-BE | 21.4 | 5.1 | 11.8 | ||||||||
Radial | |||||||||||
Forearm | For-EIP | 3.7 | 4.4 | 43.3 | 9.4 | NA | |||||
Elbow | CF-For | 6.7 | 4.1 | 48.1 | 9.6 | ||||||
Arm | Spir.g – CF | 8.8 | 3.8 | 58.6 | 9.8 | ||||||
13.1 | 3.3 | 9.8 | |||||||||
Peroneal | |||||||||||
Ankle | An-EDB | 10.7 | 0.03 | 22.9 | 6.9 | NE | 9.4 | 0.08 | 20.5 | 6.7 | NE |
Fibula | FH-An | 25.1 | 0.21 | 23.3 | 7.2 | 25.5 | 0.18 | 22.7 | 6.9 | ||
FP | FP-FH | 29.2 | 0.16 | 7.3 | 29.9 | 0.14 | 7.2 | ||||
Tibial | |||||||||||
Ankle | AH-An | 9.4 | 0.95 | 20.4 | 5.4 | NE | 6.2 | 1.8 | 21.0 | 7.7 | NE |
FP | An-FP | 31.0 | 0.62 | 5.3 | 25.3 | 0.8 | 11.5 | ||||
SNCS | Lat ms | Amp uV | SCV m/s | Lat ms | Amp uV | SCV m/s | |||||
Median | Wr-II | 5.3 | 21.5 | 32.3 | 4.6 | 14.3 | 34.4 | ||||
Ulnar | Wr-V | 4.4 | 14.3 | 32.1 | 4.5 | 18.7 | 33.3 | ||||
Radial | Wr-I | 3.3 | 10.5 | 31.2 | 3.4 | 12 | 30.8 | ||||
Sural | Calf-LM | NE | NE | ||||||||