Symptom Information: Sort according to HPO 

1
(HPO:0100732) Pancreatic fibrosis Occasional [Orphanet] 12 / 7739
2
(HPO:0000572) Visual loss Very frequent [Orphanet] 272 / 7739
3
(HPO:0009830) Peripheral neuropathy Very frequent [Orphanet] 26089585 IBIS 206 / 7739
4
(HPO:0001252) Muscular hypotonia Frequent [Orphanet] 990 / 7739
5
(HPO:0001324) Muscle weakness Frequent [Orphanet] 859 / 7739
6
(HPO:0003134) Abnormality of peripheral nerve conduction Very frequent [Orphanet] 38 / 7739
7
(HPO:0002093) Respiratory insufficiency Frequent [Orphanet] 410 / 7739
8
(HPO:0004374) Hemiplegia/hemiparesis Very frequent [Orphanet] 158 / 7739
9
(HPO:0001284) Areflexia 198 / 7739
10
(HPO:0001315) Reduced tendon reflexes Very frequent [Orphanet] 160 / 7739
11
(HPO:0002719) Recurrent infections 107 / 7739
12
(HPO:0002721) Immunodeficiency 97 / 7739
13
(HPO:0001251) Ataxia 26089585 IBIS 413 / 7739
14
(HPO:0002066) Gait ataxia Very frequent [Orphanet] 327 / 7739
15
(HPO:0000407) Sensorineural hearing impairment Very frequent [Orphanet] 524 / 7739
16
(HPO:0000648) Optic atrophy 26089585 IBIS 238 / 7739
17
(HPO:0001249) Intellectual disability 26089585 IBIS 1089 / 7739
18
(HPO:0001263) Global developmental delay 853 / 7739
19
(HPO:0000365) Hearing impairment 539 / 7739
20
(HPO:0000639) Nystagmus 555 / 7739
21
(HPO:0001250) Seizures 1245 / 7739
22
(HPO:0001319) Neonatal hypotonia 101 / 7739
23
(HPO:0001347) Hyperreflexia rare [HPO:skoehler] 363 / 7739
24
(HPO:0002267) Exaggerated startle response 42 / 7739
25
(HPO:0007034) Generalized hyperreflexia 33 / 7739
26
(HPO:0001510) Growth delay 295 / 7739
27
(HPO:0002015) Dysphagia 301 / 7739
28
(HPO:0002307) Drooling 43 / 7739
29
(HPO:0002445) Tetraplegia 26 / 7739
30
(HPO:0002788) Recurrent upper respiratory tract infections 31 / 7739
31
(HPO:0003323) Progressive muscle weakness 17 / 7739
32
(HPO:0008311) Spinal cord posterior columns myelin loss 2 / 7739
33
(HPO:0010978) Abnormality of immune system physiology Very frequent [Orphanet] 148 / 7739
34
(OMIM) Hearing impairment, sensorineural 1 / 7739
35
(OMIM) Recurrent respiratory tract infections 3 / 7739
36
(OMIM) Lack of speech 17 / 7739
37
(OMIM) Flaccid tetraplegia 1 / 7739
38
(OMIM) Absence of myelin in the posterior column of the spinal cord (1 patient) 1 / 7739
39
(HPO:0007133) Progressive peripheral neuropathy 4 / 7739
40
(OMIM) Delayed motor nerve conduction velocities 2 / 7739
41
(OMIM) Reduced serum uric acid 1 / 7739
42
(OMIM) Undetectable urinary hypoxanthine 1 / 7739
43
(OMIM) Decreased PRPP synthetase activity in erythrocytes and fibroblasts 1 / 7739
44
(HPO:0001522) Death in infancy Very frequent [Orphanet] 275 / 7739
45
(HPO:0012795) Abnormality of the optic disc Very frequent [Orphanet] 187 / 7739
46
(HPO:0012758) Neurodevelopmental delay Very frequent [Orphanet] 949 / 7739
47
(HPO:0001344) Absent speech 57 / 7739
48
(HPO:0001419) X-linked recessive inheritance 189 / 7739
49
(HPO:0008619) Bilateral sensorineural hearing impairment 26089585 IBIS 23 / 7739
50
(HPO:0011476) Profound sensorineural hearing impairment 26089585 IBIS 7 / 7739
51
(HPO:0001290) Generalized hypotonia 26089585 IBIS 51 / 7739
52
(HPO:0001270) Motor delay 26089585 IBIS 322 / 7739
53
(HPO:0011947) Respiratory tract infection 26089585 IBIS 28 / 7739
54
(HPO:0003819) Death in childhood 26089585 IBIS 42 / 7739