Electrophysiological features in eight individuals with neurofibromatosis 1 and neurofibromatous neuropathy
| Case | R, L sural | R, L sural | R, L median | R, L median | R median | R median | R median | R median | L posterior | L posterior | L posterior | L posterior |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SAP,µV | SCV,m/s | SAP,µV | SCV,m/s | DMAP,mV | DML,ms | MCV,m/s | F wave latency,ms | Tibial DMAP,mV | Tibial DML,ms | Tibial MCV,M/s | Tibial F wave latency,ms | |
| DMAP, distally evoked compound muscle action potential; DML, distal motor latency; MCV, maximal motor conduction velocity; NA, not available; ND, not done; SAP, sensory action potential; SCV, sensory conduction velocity. | ||||||||||||
| Abnormal figures are given in bold. | ||||||||||||
| 1 | 3, 5 | ND, 45 | 14, 18 | 44, 48 | 4 | 4.4 | ND | 33 | 5 | 5.9 | ND | 61 |
| 2 | 0, 0 | NA, NA | ND | ND | ND | 4.6 | ND | ND | 0 | 0 | NA | NA |
| 3 | ND, 5 | ND, ND | ND, ND | ND, ND | ND | 5.2 | ND | 36 | 2 | 9.5 | ND | 75 |
| 4 | 5, 5 | ND, 46 | 20, 9 | 44, 44 | ND | 4.3 | ND | ND | 4.5 | 5.3 | ND | 57 |
| 5 | 0, 0 | NA, NA | ND, ND | ND, ND | 5.5 | 4.6 | ND | 36 | 0 | NA | NA | NA |
| 6 | 8, 5 | ND, ND | ND | NA, ND | ND | ND | ND | ND | 6.2 | 4.6 | 61 | 49 |
| 7 | 0, 0 | ND, ND | 11, ND | ND, ND | ND | ND | ND | ND | 3.4 | 7.6 | ND | 63 |
| 8 | 2, 0 | ND, NA | ND, ND | ND, ND | 4 | 4.7 | ND | 36 | ND | ND | ND | ND |