Benign nocturnal alternating hemiplegia of childhood
- Type
- Disease
- Group
- Disorder
- Inheritance
- Unknown
- Age of onset
- Childhood, Infancy
- Status
- active
Benign nocturnal alternating hemiplegia of childhood is a rare neurologic disease characterized by recurrent attacks of nocturnal screaming or crying followed or accompanied by unilateral or sometimes bilateral hemiplegia. Disorder is not associated with neurological or developmental impairments but may be associated with mild behavioral abnormalities.
Names in Orphadata languages
12 of 12 languages| Lang | Name | Synonyms |
|---|---|---|
| en | Benign nocturnal alternating hemiplegia of childhood | |
| fr | Hémiplégie alternante nocturne bénigne de l'enfance | |
| de | Benigne nächtliche alternierende Hemiplegie im Kindesalter | BNAHC |
| es | Hemiplejía alternante nocturna benigna de la infancia | |
| it | Emiplegia alternante notturna benigna del bambino | Emiplegia alternante familiare notturna benigna dell'infanzia |
| nl | Benigne nachtelijke alternerende hemiplegie op kinderleeftijd | Goedaardige familiale nachtelijke alternerende hemiplegie in de kindertijd |
| pt | Hemiplegia alternante noturna benigna da infância | |
| pl | Łagodne nocne naprzemienne dziecięce porażenie połowicze | Łagodna nocna naprzemienna hemiplegia dziecięca |
| cs | Benigní infantilní familiární noční alternující hemiplegie | BNAHC · Benigní familiární noční alternující hemiplegie v dětství |
| uk | Доброякісна нічна альтернуюча геміплегія дитячого віку | |
| zh | 儿童良性夜间交替性偏瘫 | |
| tr | Çocukluğun selim gece değişen hemiplejisi |
Definition in:
Cross-references
qualifier = Orphanet mapping relation| Source | Code | Qualifier | ICD relation | Validation |
|---|---|---|---|---|
| ICD-10 | G81.9 | NTBT | attributed | validated |
| MONDO | 0016209 | E | validated | |
| UMLS | C4749822 | E | validated |
E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.
Classification
Preferential parent (Orphanet linearisation):
Parents in the classifications (1):
- ORPHA:209978Alternating hemiplegia
rare genetic diseases; rare neurological diseases
No children.
Genes
0 directOrphanet records no gene directly on this code.
Prevalence and incidence
2 records| Type | Class | Value | Area | Qualification | Validation | Source |
|---|---|---|---|---|---|---|
| Cases/families | 12 cases | Worldwide | Case(s) | Validated | 23820111[PMID] | |
| Point prevalence | <1 / 1 000 000 | — | Worldwide | Class only | Validated | ORPHANET_23820111[PMID] |
Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.
HPO phenotypes
Orphanet has no HPO annotation for this code in this release.
Sources for this card
- Orphanet page: orpha.net/en/disease/detail/209973
- This record as JSON: /data/d/209973.json