Symptom Information: Sort according to HPO 

1
(HPO:0001347) Hyperreflexia Very frequent [Orphanet] 363 / 7739
2
(HPO:0001250) Seizures Very frequent [Orphanet] 1245 / 7739
3
(HPO:0000252) Microcephaly Very frequent [Orphanet] 832 / 7739
4
(HPO:0002514) Cerebral calcification Very frequent [Orphanet] 89 / 7739
5
(HPO:0100022) Abnormality of movement Frequent [Orphanet] 129 / 7739
6
(HPO:0002120) Cerebral cortical atrophy Frequent [Orphanet] 187 / 7739
7
(HPO:0001257) Spasticity 251 / 7739
8
(HPO:0001276) Hypertonia Very frequent [Orphanet] 317 / 7739
9
(HPO:0000083) Renal insufficiency rare [HPO:skoehler] 232 / 7739
10
(HPO:0000218) High palate 356 / 7739
11
(HPO:0000308) Microretrognathia 78 / 7739
12
(HPO:0000340) Sloping forehead 86 / 7739
13
(HPO:0000343) Long philtrum 262 / 7739
14
(HPO:0000369) Low-set ears 372 / 7739
15
(HPO:0000463) Anteverted nares 305 / 7739
16
(HPO:0000518) Cataract rare [HPO:skoehler] 454 / 7739
17
(HPO:0000639) Nystagmus 555 / 7739
18
(HPO:0000952) Jaundice 105 / 7739
19
(HPO:0000967) Petechiae 26 / 7739
20
(HPO:0001263) Global developmental delay 853 / 7739
21
(HPO:0001302) Pachygyria 60 / 7739
22
(HPO:0001321) Cerebellar hypoplasia 114 / 7739
23
(HPO:0001339) Lissencephaly 30 / 7739
24
(HPO:0001410) Decreased liver function 59 / 7739
25
(HPO:0001508) Failure to thrive 454 / 7739
26
(HPO:0001744) Splenomegaly 337 / 7739
27
(HPO:0001873) Thrombocytopenia 224 / 7739
28
(HPO:0002119) Ventriculomegaly 253 / 7739
29
(HPO:0002126) Polymicrogyria 64 / 7739
30
(HPO:0002187) Intellectual disability, profound 44 / 7739
31
(HPO:0002240) Hepatomegaly 467 / 7739
32
(HPO:0002910) Elevated hepatic transaminases 158 / 7739
33
(HPO:0002922) Increased CSF protein 27 / 7739
34
(HPO:0007759) Opacification of the corneal stroma rare [HPO:skoehler] 77 / 7739
35
(HPO:0007957) Corneal opacity 84 / 7739
36
(HPO:0008936) Muscular hypotonia of the trunk 77 / 7739
37
(HPO:0011451) Congenital microcephaly 6 / 7739
38
(OMIM) Bitemporal grooving 1 / 7739
39
(HPO:0010697) Anterior pyramidal cataract 22 / 7739
40
(OMIM) Apneic spells 3 / 7739
41
(OMIM) Small echogenic kidneys 2 / 7739
42
(OMIM) Cortical calcifications (in some patients) 1 / 7739
43
(OMIM) Developmental delay, profound 6 / 7739
44
(OMIM) Refractory seizures 15 / 7739
45
(OMIM) Intracranial calcifications, band-like, particularly periventricular and in the basal ganglia and thalamus 1 / 7739
46
(OMIM) Calcification in the pons and cerebellum 1 / 7739
47
(OMIM) Hypogenesis of the corpus callosum 1 / 7739
48
(OMIM) No evidence of intrauterine infection in mother or newborn 1 / 7739
49
(HPO:0000007) Autosomal recessive inheritance 2538 / 7739
50
(HPO:0003812) Phenotypic variability 129 / 7739