Table 1.
Proband no. |
Inheritance | Age at onset |
Age at exam |
Selected/ prominent thenar/ FDI atrophy1 |
Bilateral diffuse hand muscle wasting1 |
Peroneal muscle weakness |
PTR | ATR | Foot deformity |
Sensory loss, pathological SNCV2 |
Pyramidal tract signs |
Clinical diagnosis |
---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | AD | 52 | 54 | +++; R>L | − | ++ | ++ | + | +++ | − | − | dHMN-V |
2 | AD | 14 | 66 | ++; L>R | +++ | +++ | ++ | − | +++ | +++3 | − | dHMN-V |
3 | S | 3 | 57 | ++; R>L | +++ | +++ | +++ | − | + | ++ | +++ | SS |
4 | AD | 16 | 55 | +++; R>L | − | + | +++ | +++ | + | − | − | SS |
5 | S | 12 | 40 | − | +++ | − | ++ | ++ | − | − | − | dHMN-V |
6 | D | 3rd dec | 42 | − | +++ | − | +++ | + | − | − | − | SS |
7 | D | 1st dec | 36 | − | +++ | +++ | − | − | +++ | ++ | − | CMT2D |
8 | AD | 15 | 53 | − | +++ | − | ++ | + | + | − | − | dHMN-V |
9 | AD | 14 | 42 | +++; Bil | − | + | ++ | + | ++ | + | − | CMT2D |
10 | S | 60 | 64 | − | +++ | − | +++ | + | − | − | − | SS |
11 | AD | 3rd dec | 43 | − | +++ | +++ | ++ | + | +++ | + | − | CMT2D |
12 | S | 42 | 50 | − | +++ | − | ++ | + | ++ | − | − | dHMN-V |
13 | S | 46 | 53 | +++; L>R | ++ | − | ++++ | ++++ | − | − | + | SS |
14 | S | 25 | 31 | +++; R>L | +++ | + | ++++ | ++++ | − | − | + | SS |
15 | AD | 36 | 43 | − | ++ | + | +++ | +++ | + | − | − | SS |
16 | U | 27 | 39 | − | +++ | + | ++ | ++ | − | − | − | dHMN-V |
17 | S | 9 | 66 | − | ++ | + | +++ | +++ | − | − | + | SS |
18 | S | 15 | 18 | − | +++ | − | ++ | ++ | − | − | − | dHMN-V |
19 | AD | 2nd dec | 60 | − | +++ | +++ | ++ | − | + | ++ | − | CMT2D |
20 | S | 21 | 27 | +++; Bil | − | − | + | + | + | − | − | dHMN-V |
21 | S | 15 | 48 | ++ | − | − | ++ | ++ | − | − | − | dHMN-V |
22 | S | 62 | 69 | +++; L>R | − | ++ | + | + | − | − | − | dHMN-V |
23 | S | 59 | 69 | − | − | + | + | − | ++ | + | + | SS |
24 | S | 33 | 63 | − | +++ | +++ | + | − | − | − | − | dHMN-V |
25 | S | 36 | 38 | ++ | − | − | ++++ | ++++ | − | − | − | SS |
26 | D | 28 | 31 | ++ | − | + | ++ | − | +++ | + | − | CMT2D |
27 | S | 49 | 55 | ++ | − | − | ++++ | ++ | − | + | − | SS |
28 | S | 17 | 21 | ++ | − | − | ++ | ++ | + | − | − | dHMN-V |
29 | S | 60 | 70 | ++; L>R | − | − | + | − | − | + | − | CMT2D |
30 | S | 70 | 69 | ++ | − | +++ | ++++ | − | − | − | − | SS |
31 | S | ~60 | 60 | +++; Bil | − | + | + | +++ | ++ | − | − | dHMN-V |
32 | S | 25 | 35 | − | − | ++ | ++ | − | ++ | − | ++; Bil | SS |
33 | AD | ~25 | 42 | +++; Bil | ++ | − | ++ | + | + | − | − | dHMN-V |
(−) absent, normal; (+): mild, (++) moderate, (+++): severe, R = right, L = left; Bil = bilateral; patellar and achilles tendon reflex (PTR, ATR): absent (−), diminished (+), preserved (++), brisk (+++), very brisk, clonus (++++);
at disease onset;
except for pallesthesia,
patient with dHMN-V and ulcero-mutilating neuropathy; S = sporadic cases, AD: autosomal dominant inheritance; D = dominant inheritance; FDI = first dorsalis interosseus I muscle; U = unknown; SNCV = sensory nerve conduction velocity.