Symptom Information: Sort according to HPO 

1
(HPO:0002084) Encephalocele Occasional [Orphanet] 70 / 7739
2
(HPO:0007370) Aplasia/Hypoplasia of the corpus callosum Occasional [Orphanet] 180 / 7739
3
(HPO:0002007) Frontal bossing Frequent [Orphanet] 366 / 7739
4
(HPO:0002691) Platybasia Very frequent [Orphanet] 10 / 7739
5
(HPO:0001305) Dandy-Walker malformation Very frequent [Orphanet] 79 / 7739
6
(HPO:0000269) Prominent occiput Very frequent [Orphanet] 43 / 7739
7
(HPO:0001636) Tetralogy of Fallot Occasional [Orphanet] 104 / 7739
8
(HPO:0000079) Abnormality of the urinary system Occasional [Orphanet] 88 / 7739
9
(HPO:0000238) Hydrocephalus 278 / 7739
10
(HPO:0000639) Nystagmus 555 / 7739
11
(HPO:0000930) Elevated imprint of the transverse sinuses 3 / 7739
12
(HPO:0000931) Thinning and bulging of the posterior fossa bones 3 / 7739
13
(HPO:0000933) Posterior fossa cyst at the fourth ventricle 3 / 7739
14
(HPO:0002078) Truncal ataxia 41 / 7739
15
(HPO:0002198) Dilated fourth ventricle 12 / 7739
16
(HPO:0002335) Agenesis of cerebellar vermis 25 / 7739
17
(HPO:0002951) Partial absence of cerebellar vermis 3 / 7739
18
(HPO:0006824) Cranial nerve paralysis 81 / 7739
19
(OMIM) Partial or complete absence of cerebellar vermis 2 / 7739
20
(OMIM) Bulging occiput 2 / 7739
21
(HPO:0003220) Abnormality of chromosome stability Occasional [Orphanet] 98 / 7739
22
(HPO:0001626) Abnormality of the cardiovascular system Occasional [Orphanet] 73 / 7739
23
(HPO:0000174) Abnormality of the palate Occasional [Orphanet] 298 / 7739
24
(HPO:0001425) Heterogeneous 132 / 7739