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. 2011 Aug 12;89(2):308–312. doi: 10.1016/j.ajhg.2011.07.002

Table 3.

Clinical Investigation Results

Patient Age at Study Motor
Sensory
Electromyography Sural Nerve Biopsy Muscle Biopsy
Right Peroneal
Right Tibial
Right Sural
Right Sup Peroneal
Amplitude (mV) Velocity (m/s) Amplitude (mV) Velocity (m/s) Pk-Pk (μV) Velocity (m/s) Pk-Pk (μV) Velocity (m/s)
II 10 29 3.85 46 20 39 chronic denervation
II 13 31 4.3 51 12 41 central neuronal atrophy severe connective tissue replacement
II 15 36 normal normal normal normal normal normal normal normal indolent axon degenerative process with some evidence of fiber regeneration consistent with a diagnosis of HMSN type 2
III 4 25 2.0 56.6 8.9 20.3 42.9 13.3 45.5 normal
III 14 28 5.4 44.2 7.1 39.6 8.6 37.7 7.8 40 vastus medialis MUPs enlarged otherwise normal
III 17 20 normal normal normal normal normal normal normal normal
III 18 22 2.9 44 11.5 7 28 15 35 mild degree of large fiber axonal sensory motor peripheral neuropathy
III 21 2 normal normal normal normal normal normal normal normal interference pattern nonspecifically abnormal, occasional units up to 6 mV
IV 7 5 not performed not performed not performed not performed not performed not performed not performed not performed atrophic fibers consistent with chronic partial denervation