Symptom Information: Sort according to HPO 

1
(HPO:0001347) Hyperreflexia 363 / 7739
2
(HPO:0001761) Pes cavus 225 / 7739
3
(HPO:0002169) Clonus Occasional [HPO:probinson] 37 / 7739
4
(HPO:0002355) Difficulty walking 61 / 7739
5
(HPO:0002366) Abnormal lower motor neuron morphology 12 / 7739
6
(HPO:0002398) Degeneration of anterior horn cells 14 / 7739
7
(HPO:0002460) Distal muscle weakness 122 / 7739
8
(HPO:0003405) Diffuse axonal swelling 1 / 7739
9
(HPO:0003487) Babinski sign 179 / 7739
10
(HPO:0006825) Pallor of dorsal columns of the spinal cord 1 / 7739
11
(HPO:0007354) Amyotrophic lateral sclerosis 25 / 7739
12
(OMIM) Pes cavus has been reported 1 / 7739
13
(OMIM) Atrophy of distal muscles 1 / 7739
14
(OMIM) Proximal weakness occurs later 1 / 7739
15
(HPO:0002127) Abnormal upper motor neuron morphology 15 / 7739
16
(OMIM) Clonus may occur 1 / 7739
17
(OMIM) Corticospinal tracts with decreased myelin staining 1 / 7739
18
(OMIM) No bulbar involvement 1 / 7739
19
(OMIM) Axonal degeneration 7 / 7739
20
(OMIM) No sensory abnormalities 5 / 7739
21
(HPO:0000006) Autosomal dominant inheritance 2518 / 7739
22
(HPO:0003677) Slow progression 134 / 7739
23
(HPO:0040078) Axonal degeneration 10 / 7739