Symptom Information: Sort according to HPO 

1
(HPO:0001320) Cerebellar vermis hypoplasia Frequent [Orphanet] typical [HPO] 57 / 7739
2
(HPO:0002334) Abnormality of the cerebellar vermis Frequent [Orphanet] 137 / 7739
3
(HPO:0002335) Agenesis of cerebellar vermis Frequent [Orphanet] typical [HPO] 25 / 7739
4
(HPO:0006817) Aplasia/Hypoplasia of the cerebellar vermis Frequent [Orphanet] typical [HPO] 15 / 7739
5
(HPO:0007360) Aplasia/Hypoplasia of the cerebellum Frequent [Orphanet] 10 / 7739
6
(HPO:0001992) Organic aciduria Very frequent [Orphanet] 28 / 7739
7
(HPO:0001250) Seizures Very frequent [Orphanet] 1245 / 7739
8
(HPO:0002121) Absence seizures Very frequent [Orphanet] 62 / 7739
9
(HPO:0002133) Status epilepticus Very frequent [Orphanet] 59 / 7739
10
(HPO:0011097) Epileptic spasms Very frequent [Orphanet] 45 / 7739
11
(HPO:0011147) Typical absence seizures Very frequent [Orphanet] 33 / 7739
12
(HPO:0000365) Hearing impairment Frequent [Orphanet] 539 / 7739
13
(HPO:0001252) Muscular hypotonia Very frequent [Orphanet] 990 / 7739
14
(HPO:0001324) Muscle weakness Very frequent [Orphanet] hallmark [HPO] 859 / 7739
15
(HPO:0001873) Thrombocytopenia Occasional [Orphanet] 224 / 7739
16
(HPO:0000510) Rod-cone dystrophy Occasional [Orphanet] 266 / 7739
17
(HPO:0001639) Hypertrophic cardiomyopathy Frequent [Orphanet] 137 / 7739
18
(HPO:0001644) Dilated cardiomyopathy Frequent [Orphanet] 141 / 7739
19
(HPO:0001249) Intellectual disability Very frequent [Orphanet] 1089 / 7739
20
(HPO:0001263) Global developmental delay Very frequent [Orphanet] 853 / 7739
21
(HPO:0001270) Motor delay Very frequent [Orphanet] 322 / 7739
22
(HPO:0001328) Specific learning disability Very frequent [Orphanet] 114 / 7739
23
(HPO:0000518) Cataract Frequent [Orphanet] 454 / 7739
24
(HPO:0001257) Spasticity Very frequent [Orphanet] 251 / 7739
25
(HPO:0001276) Hypertonia Very frequent [Orphanet] 317 / 7739
26
(HPO:0002063) Rigidity Very frequent [Orphanet] 92 / 7739
27
(HPO:0000023) Inguinal hernia 181 / 7739
28
(HPO:0000028) Cryptorchidism 347 / 7739
29
(HPO:0008689) Bilateral cryptorchidism 38 / 7739
30
(HPO:0000954) Single transverse palmar crease 162 / 7739
31
(HPO:0007598) Bilateral single transverse palmar creases 13 / 7739
32
(HPO:0001265) Hyporeflexia 208 / 7739
33
(HPO:0001284) Areflexia 198 / 7739
34
(HPO:0001315) Reduced tendon reflexes 160 / 7739
35
(HPO:0001319) Neonatal hypotonia 101 / 7739
36
(HPO:0001682) Subaortic stenosis 17 / 7739
37
(HPO:0004381) Supravalvular aortic stenosis 6 / 7739
38
(HPO:0002643) Neonatal respiratory distress 22 / 7739
39
(HPO:0003344) 3-Methylglutaric aciduria 6 / 7739
40
(HPO:0007033) Cerebellar dysplasia 13 / 7739
41
(HPO:0007703) Abnormality of retinal pigmentation Occasional [Orphanet] 21 / 7739
42
(HPO:0011344) Severe global developmental delay 46 / 7739
43
(HPO:0200128) Biventricular hypertrophy 11 / 7739
44
(OMIM) Cerebellar dysgenesis 1 / 7739