raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:208441

Bilateral parasagittal parieto-occipital polymicrogyria

Type
Clinical subtype
Group
Subtype of disorder
Inheritance
Autosomal recessive
Age of onset
Antenatal, Infancy, Neonatal
Status
active

Orphadata ships no English definition for this code.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enBilateral parasagittal parieto-occipital polymicrogyria
frPolymicrogyrie pariéto-occipitale parasagittale bilatérale
dePolymikrogyrie, bilaterale parasagittale parieto-okzipitale
esPolimicrogiria parietooccipital parasagital bilateral
itPolimicrogiria parieto-occipitale parasagittale bilaterale
nlBilaterale parasagittale parieto-occipitale polymicrogyrie
ptPolimicrogiria parieto-occipital parassagital bilateral
plObustronna okołostrzałkowa ciemieniowo-potyliczna polimikrogyria
csBilaterální parasagitální parietookcipitální polymikrogyrie
ukДвостороння парасагітальна тімяно-потилична полімікрогірія
zh双侧矢状旁顶枕叶的多小脑回
trBilateral parasagittal parieto-oksipital polimikroji
2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM612691Evalidated
ICD-10Q04.3NTBTattributedvalidated
ICD-11LA05.50NTBTindexvalidated
MONDO0012986Evalidated
UMLSC5437680Evalidated
GARD10785Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (1):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
FIG4Disease-causing germline mutation(s) (loss of function) inAssessedHGNC:16873ENSG000001123676093906q21FIG4 phosphoinositide 5-phosphatase24598713[PMID]
5

Prevalence and incidence

0 records

No prevalence record in this release.

6

HPO phenotypes

29 annotations · validated 2020-09-30
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0002539Cortical dysplasia
HP:0010862Delayed fine motor development
HP:0002194Delayed gross motor development
HP:0000750Delayed speech and language development
Frequent (79-30%)
HP:0000708Atypical behavior
HP:0002069Bilateral tonic-clonic seizure
HP:0001263Global developmental delay
HP:0001249Intellectual disability
HP:0001250Seizure
Occasional (29-5%)
HP:0011297Abnormal digit morphology
HP:0001999Abnormal facial shape
HP:0100852Abnormal fear/anxiety-related behavior
HP:0000174Abnormal palate morphology
HP:0000951Abnormality of the skin
HP:0000718Aggressive behavior
HP:0008765Auditory hallucinations
HP:0031258Delirium
HP:0002384Focal impaired awareness seizure
HP:0000365Hearing impairment
HP:0001252Hypotonia
HP:0000256Macrocephaly
HP:0000252Microcephaly
HP:0007024Pseudobulbar paralysis
HP:0001345Psychotic mentation
HP:0001257Spasticity
HP:0000486Strabismus
HP:0031589Suicidal ideation
HP:0002367Visual hallucinations
HP:0000505Visual impairment

Run the differential on the 4 obligate / very frequent terms

Annotation source: 20403963[PMID]_24598713[PMID]

7

Sources for this card