Symptom Information: Sort according to HPO 

1
(HPO:0000252) Microcephaly 832 / 7739
2
(HPO:0001250) Seizures 1245 / 7739
3
(HPO:0006955) Olivopontocerebellar hypoplasia 3 / 7739
4
(HPO:0001321) Cerebellar hypoplasia 114 / 7739
5
(OMIM) Olivopontocerebellar hypoplasia, severe 1 / 7739
6
(OMIM) Seizure including seizure-like activity in utero starting around 18 weeks gestation 1 / 7739
7
(OMIM) Dysplastic C-shaped inferior olivary nuclei 1 / 7739
8
(OMIM) Absent or immature dentate nuclei 1 / 7739
9
(OMIM) Cerebellar cell paucity, more marked in vermis than hemispheres 1 / 7739