raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:101071

Unilateral hemispheric polymicrogyria

Type
Clinical subtype
Group
Subtype of disorder
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
enUnilateral hemispheric polymicrogyria
frPolymicrogyrie unilatérale hémisphérique
dePolymikrogyrie, hemisphärische unilaterale
esPolimicrogiria unilateral hemisférica
itPolimicrogiria emisferica unilaterale
nlUnilaterale hemisferische polymicrogyrie
ptPolimicrogiria, unilateral, do lado direito
plJednostronna jednopółkulowa polimikrogyria
csUnilaterální hemisférická polymikrogyrie
ukОднобічна півкульова полімікрогірія
zh单侧半球多小脑回畸形
trUnilateral hemisferik polimikrogri
2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q04.3NTBTattributedvalidated
ICD-11LA05.50NTBTindexvalidated
MONDO0015099Evalidated
UMLSC5681804Evalidated
GARD19777Evalidated

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

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

0 records

No prevalence record in this release.

6

HPO phenotypes

14 annotations · validated 2020-10-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0006872Cerebral hypoplasia
HP:0002539Cortical dysplasia
HP:0007359Focal-onset seizure
HP:0001269Hemiparesis
HP:0001249Intellectual disability
HP:0006956Lateral ventricle dilatation
HP:0012758Neurodevelopmental delay
HP:0006891Thick cerebral cortex
Frequent (79-30%)
HP:0002069Bilateral tonic-clonic seizure
HP:0011185EEG with focal epileptiform discharges
HP:0012704Widened subarachnoid space
Occasional (29-5%)
HP:0020220Focal atonic seizure
HP:0002123Generalized myoclonic seizure
HP:0012469Infantile spasms

Run the differential on the 8 obligate / very frequent terms

Annotation source: 11376999[PMID]_16401865[PMID]

7

Sources for this card