Symptom Information: Sort according to HPO 

1
(HPO:0001332) Dystonia Frequent [Orphanet] 197 / 7739
2
(HPO:0001582) Redundant skin Occasional [Orphanet] 51 / 7739
3
(HPO:0000252) Microcephaly Occasional [Orphanet] 832 / 7739
4
(HPO:0001939) Abnormality of metabolism/homeostasis Very frequent [Orphanet] 328 / 7739
5
(HPO:0001252) Muscular hypotonia Frequent [Orphanet] 990 / 7739
6
(HPO:0001324) Muscle weakness 859 / 7739
7
(HPO:0000298) Mask-like facies Occasional [Orphanet] 44 / 7739
8
(HPO:0000717) Autism Frequent [Orphanet] 108 / 7739
9
(HPO:0000508) Ptosis Occasional [Orphanet] 459 / 7739
10
(HPO:0001257) Spasticity 251 / 7739
11
(HPO:0001276) Hypertonia Frequent [Orphanet] 317 / 7739
12
(HPO:0000272) Malar flattening Frequent [Orphanet] 277 / 7739
13
(HPO:0002251) Aganglionic megacolon Frequent [Orphanet] 78 / 7739
14
(HPO:0001250) Seizures Frequent [Orphanet] 1245 / 7739
15
(HPO:0004322) Short stature Frequent [Orphanet] 1232 / 7739
16
(HPO:0002595) Ileus 4 / 7739
17
(HPO:0005214) Intestinal obstruction Frequent [Orphanet] 35 / 7739
18
(HPO:0000194) Open mouth Frequent [Orphanet] 70 / 7739
19
(HPO:0002066) Gait ataxia Frequent [Orphanet] 327 / 7739
20
(HPO:0001382) Joint hypermobility Occasional [Orphanet] 231 / 7739
21
(HPO:0100022) Abnormality of movement Frequent [Orphanet] 129 / 7739
22
(HPO:0004326) Cachexia Frequent [Orphanet] 71 / 7739
23
(HPO:0002019) Constipation Frequent [Orphanet] 194 / 7739
24
(HPO:0001249) Intellectual disability 1089 / 7739
25
(HPO:0001263) Global developmental delay 853 / 7739
26
(HPO:0001270) Motor delay 322 / 7739
27
(HPO:0000098) Tall stature 74 / 7739
28
(HPO:0000275) Narrow face 76 / 7739
29
(HPO:0000276) Long face 109 / 7739
30
(HPO:0000303) Mandibular prognathia 179 / 7739
31
(HPO:0000337) Broad forehead 116 / 7739
32
(HPO:0000540) Hypermetropia 99 / 7739
33
(HPO:0000577) Exotropia 43 / 7739
34
(HPO:0000718) Aggressive behavior 109 / 7739
35
(HPO:0000733) Stereotypy 58 / 7739
36
(HPO:0000735) Impaired social interactions 20 / 7739
37
(HPO:0000750) Delayed speech and language development 197 / 7739
38
(HPO:0001288) Gait disturbance 318 / 7739
39
(HPO:0001319) Neonatal hypotonia 101 / 7739
40
(HPO:0001508) Failure to thrive 454 / 7739
41
(HPO:0001761) Pes cavus 225 / 7739
42
(HPO:0002013) Vomiting 191 / 7739
43
(HPO:0002058) Myopathic facies 26 / 7739
44
(HPO:0002079) Hypoplasia of the corpus callosum 161 / 7739
45
(HPO:0002167) Neurological speech impairment Very frequent [Orphanet] 308 / 7739
46
(HPO:0004325) Decreased body weight 492 / 7739
47
(HPO:0007018) Attention deficit hyperactivity disorder 56 / 7739
48
(HPO:0007057) Poor hand-eye coordination 1 / 7739
49
(HPO:0008583) Underfolded superior helices 1 / 7739
50
(HPO:0008872) Feeding difficulties in infancy 153 / 7739
51
(HPO:0011800) Midface retrusion 221 / 7739
52
(HPO:0012448) Delayed myelination 51 / 7739
53
(OMIM) Long, thin face 3 / 7739
54
(OMIM) Unfolded superior helices 1 / 7739
55
(HPO:0011968) Feeding difficulties 240 / 7739
56
(OMIM) Stub thumb 2 / 7739
57
(HPO:0001763) Pes planus 176 / 7739
58
(HPO:0001765) Hammertoe 63 / 7739
59
(HPO:0001822) Hallux valgus 70 / 7739
60
(HPO:0001838) Rocker bottom foot 85 / 7739
61
(HPO:0008947) Infantile muscular hypotonia 482 / 7739
62
(HPO:0010547) Muscle flaccidity 466 / 7739
63
(OMIM) Speech and language delay, severe 1 / 7739
64
(OMIM) Decreased creatine signal seen on magnetic resonance spectroscopy 1 / 7739
65
(OMIM) Mild structural abnormalities seen MRI (in some patients) 1 / 7739
66
(OMIM) Behavioral changes consistent with an autistic disorder 1 / 7739
67
(OMIM) Impaired creatine uptake in fibroblasts 1 / 7739
68
(OMIM) Increased urinary creatine 1 / 7739
69
(OMIM) Increased plasma creatine 1 / 7739
70
(OMIM) Increased urinary creatine-to-creatinine ratio 1 / 7739
71
(HPO:0100851) Abnormal emotion/affect behavior Frequent [Orphanet] 85 / 7739
72
(HPO:0012758) Neurodevelopmental delay Very frequent [Orphanet] 949 / 7739
73
(HPO:0001419) X-linked recessive inheritance 189 / 7739
74
(HPO:0003593) Infantile onset 249 / 7739