Proximal 16p11.2 microdeletion syndrome
Synonyms: Proximal del(16)(p11.2) · Proximal monosomy 16p11.2
- Type
- Malformation syndrome
- Group
- Disorder
- Inheritance
- Autosomal dominant, Not applicable
- Age of onset
- Childhood
- Status
- active
The proximal 16p11.2 microdeletion syndrome is a chromosomal anomaly characterized by developmental and language delays, mild intellectual disability, social impairments (autism spectrum disorders), mild variable dysmorphism and predisposition to obesity.
Names in Orphadata languages
12 of 12 languages| Lang | Name | Synonyms |
|---|---|---|
| en | Proximal 16p11.2 microdeletion syndrome | Proximal del(16)(p11.2) · Proximal monosomy 16p11.2 |
| fr | Syndrome de microdélétion 16p11.2 proximale | Del(16)(p11.2) proximale · Monosomie 16p11.2 proximale |
| de | Mikrodeletionssyndrom 16p11.2, proximales | Del(16)(p11.2) · Monosomie 16p11.2 |
| es | Síndrome de microdeleción proximal 16p11.2 | Del(16)(p11.2) proximal · Monosomía proximal 16p11.2 |
| it | Sindrome da microdelezione 16p11.2 prossimale | Del(16)(p11.2) prossimale · Monosomia 16p11.2 prossimale |
| nl | Proximale 16p11.2-microdeletiesyndroom | Proximale Del(16)(p11.2) · Proximale monosomie 16p11.2 |
| pt | Síndrome de microdeleção proximal 16p11.2 | |
| pl | Zespół mikrodelecji proksymalnej 16p11.2 | Monosomia proksymalna 16p11.2 · Proksymalna del(16)(p11.2) |
| cs | Syndrom proximální mikrodelece 16p11.2 | Proximální del(16)(p11.2) · Proximální monozomie 16p11.2 |
| uk | Синдром проксимальної мікроделеції 16p11.2 | Proximal del(16)(p11.2) · Проксимальна моносомія 16p11.2 |
| zh | 近端染色体16p11.2微缺失综合征 | 16p11.2近端单体 |
| tr | Proksimal 16p11.2 mikrodelesyon sendromu | Proksimal del (16) (p11.2) · Proksimal monozomi 16p11.2 |
Definition in:
Cross-references
qualifier = Orphanet mapping relation| Source | Code | Qualifier | ICD relation | Validation |
|---|---|---|---|---|
| OMIM | 611913 | E | validated | |
| ICD-10 | Q93.5 | NTBT | attributed | validated |
| ICD-11 | LD44.G1 | NTBT | index | validated |
| MONDO | 0012756 | E | validated | |
| UMLS | C4273657 | E | validated | |
| GARD | 10740 | 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:261956Partial deletion of the short arm of chromosome 16 syndrome
rare developmental anomalies during embryogenesis; rare genetic diseases
No children.
Genes
1 direct| Gene | Association | Status | HGNC | Ensembl | OMIM | Locus | Name | Source of validation |
|---|---|---|---|---|---|---|---|---|
| SH2B1 | Role in the phenotype of | Assessed | HGNC:30417 | ENSG00000178188 | 608937 | 16p11.2 | SH2B adaptor protein 1 |
Prevalence and incidence
2 records| Type | Class | Value | Area | Qualification | Validation | Source |
|---|---|---|---|---|---|---|
| Point prevalence | 1-5 / 10 000 | 20 / 100 000 | Europe | Value and class | Validated | 19306953[PMID]_[EXPERT] |
| Point prevalence | 1-5 / 10 000 | 20 / 100 000 | United States | Value and class | Validated | 21731881[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
52 annotations · validated 2021-05-03| HPO | Term (as annotated by Orphanet) | Diagnostic |
|---|---|---|
| Very frequent (99-80%) | ||
| HP:0000708 | Atypical behavior | |
| HP:0000729 | Autistic behavior | |
| HP:0001263 | Global developmental delay | |
| Frequent (79-30%) | ||
| HP:0007018 | Attention deficit hyperactivity disorder | |
| HP:0410263 | Brain imaging abnormality | |
| HP:0000750 | Delayed speech and language development | |
| HP:0001249 | Intellectual disability | |
| HP:0001256 | Intellectual disability, mild | |
| HP:0000256 | Macrocephaly | |
| HP:0011351 | Moderate receptive language delay | |
| HP:0001270 | Motor delay | |
| HP:0006863 | Severe expressive language delay | |
| HP:0001328 | Specific learning disability | |
| HP:0009088 | Speech articulation difficulties | |
| Occasional (29-5%) | ||
| HP:0001646 | Abnormal aortic valve morphology | |
| HP:0001999 | Abnormal facial shape | |
| HP:0001627 | Abnormal heart morphology | |
| HP:0000733 | Abnormal repetitive mannerisms | |
| HP:0003468 | Abnormal vertebral morphology | |
| HP:0100702 | Arachnoid cyst | |
| HP:0001631 | Atrial septal defect | |
| HP:0000717 | Autism | |
| HP:0000337 | Broad forehead | |
| HP:0007099 | Chiari type I malformation | |
| HP:0001266 | Choreoathetosis | |
| HP:0000405 | Conductive hearing impairment | |
| HP:0001332 | Dystonia | |
| HP:0002280 | Enlarged cisterna magna | |
| HP:0001508 | Failure to thrive | |
| HP:0011968 | Feeding difficulties | |
| HP:0002020 | Gastroesophageal reflux | |
| HP:0000316 | Hypertelorism | |
| HP:0000347 | Micrognathia | |
| HP:0011800 | Midface retrusion | |
| HP:0001513 | Obesity | |
| HP:0007166 | Paroxysmal dyskinesia | |
| HP:0002691 | Platybasia | |
| HP:0012760 | Reduced social responsiveness | |
| HP:0002650 | Scoliosis | |
| HP:0001250 | Seizure | |
| HP:0000407 | Sensorineural hearing impairment | |
| HP:0011098 | Speech apraxia | |
| HP:0002119 | Ventriculomegaly | |
| Very rare (<4-1%) | ||
| HP:0000175 | Cleft palate | |
| HP:0000776 | Congenital diaphragmatic hernia | |
| HP:0001363 | Craniosynostosis | |
| HP:0001651 | Dextrocardia | |
| HP:0001161 | Hand polydactyly | |
| HP:0000003 | Multicystic kidney dysplasia | |
| HP:0002021 | Pyloric stenosis | |
| HP:0000902 | Rib fusion | |
| HP:0003396 | Syringomyelia | |
Run the differential on the 3 obligate / very frequent terms
Annotation source: 20301775[PMID]_29636920[PMID]_19914906[PMID]
Sources for this card
- Orphanet page: orpha.net/en/disease/detail/261197
- This record as JSON: /data/d/261197.json