Symptom Information: Sort according to HPO 

1
(HPO:0000079) Abnormality of the urinary system Frequent [Orphanet] 88 / 7739
2
(HPO:0000252) Microcephaly Frequent [Orphanet] 832 / 7739
3
(HPO:0000365) Hearing impairment Frequent [Orphanet] 539 / 7739
4
(HPO:0000505) Visual impairment Very frequent [Orphanet] 297 / 7739
5
(HPO:0000639) Nystagmus Very frequent [Orphanet] 555 / 7739
6
(HPO:0000649) Abnormality of visual evoked potentials Frequent [Orphanet] 34 / 7739
7
(HPO:0000708) Behavioral abnormality Very frequent [Orphanet] 212 / 7739
8
(HPO:0001250) Seizures Frequent [Orphanet] 1245 / 7739
9
(HPO:0001252) Muscular hypotonia Very frequent [Orphanet] 990 / 7739
10
(HPO:0001276) Hypertonia Very frequent [Orphanet] 317 / 7739
11
(HPO:0001288) Gait disturbance Very frequent [Orphanet] 318 / 7739
12
(HPO:0001622) Premature birth Very frequent [Orphanet] 100 / 7739
13
(HPO:0002093) Respiratory insufficiency Frequent [Orphanet] 410 / 7739
14
(HPO:0002120) Cerebral cortical atrophy Very frequent [Orphanet] 187 / 7739
15
(HPO:0002167) Neurological speech impairment Frequent [Orphanet] 308 / 7739
16
(HPO:0002205) Recurrent respiratory infections Frequent [Orphanet] 254 / 7739
17
(HPO:0002066) Gait ataxia Very frequent [Orphanet] 327 / 7739
18
(HPO:0002607) Bowel incontinence Frequent [Orphanet] 33 / 7739
19
(HPO:0002650) Scoliosis Very frequent [Orphanet] 705 / 7739
20
(HPO:0002808) Kyphosis Very frequent [Orphanet] 289 / 7739
21
(HPO:0004322) Short stature Frequent [Orphanet] 1232 / 7739
22
(HPO:0004325) Decreased body weight Very frequent [Orphanet] 492 / 7739
23
(HPO:0009830) Peripheral neuropathy Occasional [Orphanet] 206 / 7739
24
(HPO:0100026) Arteriovenous malformation Frequent [Orphanet] 38 / 7739
25
(HPO:0001332) Dystonia Frequent [Orphanet] 197 / 7739
26
(HPO:0001387) Joint stiffness Very frequent [Orphanet] 322 / 7739
27
(HPO:0004326) Cachexia Very frequent [Orphanet] 71 / 7739
28
(HPO:0100022) Abnormality of movement Very frequent [Orphanet] 129 / 7739
29
(HPO:0011442) Abnormality of central motor function Very frequent [Orphanet] 76 / 7739
30
(HPO:0012758) Neurodevelopmental delay Frequent [Orphanet] 949 / 7739
31
(HPO:0012795) Abnormality of the optic disc Very frequent [Orphanet] 187 / 7739
32
(HPO:0100543) Cognitive impairment Very frequent [Orphanet] 230 / 7739
33
(HPO:0001522) Death in infancy Occasional [Orphanet] 275 / 7739
34
(HPO:0004305) Involuntary movements Frequent [Orphanet] 50 / 7739
35
(HPO:0000007) Autosomal recessive inheritance 2538 / 7739
36
(HPO:0000707) Abnormality of the nervous system 61 / 7739
37
(HPO:0001939) Abnormality of metabolism/homeostasis 328 / 7739