Microduplication Xp11.22-p11.23 syndrome
General Information (adopted from Orphanet):
Synonyms, Signs: |
Trisomy Xp11.22-p11.23 |
Number of Symptoms | 32 |
OrphanetNr: | 217377 |
OMIM Id: |
300801
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ICD-10: |
Q99.8 |
UMLs: |
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MeSH: |
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MedDRA: |
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Snomed: |
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Prevalence, inheritance and age of onset:
Prevalence: | No data available. |
Inheritance: |
X-linked dominant Not applicable [Orphanet] |
Age of onset: |
Neonatal Infancy [Orphanet] |
Disease classification (adopted from Orphanet):
Parent Diseases: |
Multiple congenital anomalies/dysmorphic syndrome-intellectual deficit
-Rare developmental defect during embryogenesis -Rare genetic disease Partial duplication of the short arm of chromosome X -Rare developmental defect during embryogenesis -Rare genetic disease Rare intellectual deficit with developmental anomaly -Rare neurologic disease |
Symptom Information:
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(HPO:0002353) | EEG abnormality | Frequent [Orphanet] | 188 / 7739 | |||
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(HPO:0100962) | Shyness | 2 / 7739 | ||||
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(HPO:0000717) | Autism | Occasional [Orphanet] | 108 / 7739 | |||
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(HPO:0001250) | Seizures | Frequent [Orphanet] | 1245 / 7739 | |||
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(HPO:0002465) | Poor speech | 31 / 7739 | ||||
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(HPO:0006889) | Intellectual disability, borderline | 6 / 7739 | ||||
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(HPO:0002121) | Absence seizures | 62 / 7739 | ||||
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(HPO:0002167) | Neurological speech impairment | Very frequent [Orphanet] | 308 / 7739 | |||
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(HPO:0100000) | Early onset of sexual maturation | 9 / 7739 | ||||
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(HPO:0000826) | Precocious puberty | Frequent [Orphanet] | 42 / 7739 | |||
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(HPO:0001770) | Toe syndactyly | Frequent [Orphanet] | 149 / 7739 | |||
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(HPO:0001761) | Pes cavus | Frequent [Orphanet] | 225 / 7739 | |||
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(HPO:0001763) | Pes planus | Frequent [Orphanet] | 176 / 7739 | |||
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(HPO:0001159) | Syndactyly | 140 / 7739 | ||||
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(HPO:0001513) | Obesity | Frequent [Orphanet] | 172 / 7739 | |||
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(HPO:0001608) | Abnormality of the voice | Frequent [Orphanet] | 126 / 7739 | |||
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(HPO:0001611) | Nasal speech | 48 / 7739 | ||||
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(HPO:0001609) | Hoarse voice | 34 / 7739 | ||||
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(OMIM) | Poor speech articulation | 1 / 7739 | ||||
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(OMIM) | Excessive weight | 1 / 7739 | ||||
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(OMIM) | Focal paroxysmal discharges | 1 / 7739 | ||||
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(HPO:0012758) | Neurodevelopmental delay | Very frequent [Orphanet] | 949 / 7739 | |||
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(HPO:0001428) | Somatic mutation | Very frequent [Orphanet] | 100 / 7739 | |||
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(HPO:0003812) | Phenotypic variability | 129 / 7739 | ||||
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(OMIM) | Continuous spike-wave discharges during sleep | 1 / 7739 | ||||
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(OMIM) | Mental retardation, borderline to severe | 1 / 7739 | ||||
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(MedDRA:10065954) | Stubbornness | 5 / 7739 | ||||
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(OMIM) | Subclinical absence seizures | 1 / 7739 | ||||
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(HPO:0001423) | X-linked dominant inheritance | 69 / 7739 | ||||
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(OMIM) | Autistic-like features | 1 / 7739 | ||||
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(OMIM) | Fifth toe hypoplasia | 1 / 7739 | ||||
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(OMIM) | Diffuse paroxysmal discharges | 1 / 7739 |
Associated genes:
ClinVar (via SNiPA)
Gene symbol | Variation | Clinical significance | Reference |
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Additional Information:
Clinical Description OMIM |
Giorda et al. (2009) described a syndrome characterized by borderline to severe mental retardation, speech delay, and EEG abnormalities associated with a microduplication at chromosome Xp11.23-p11.22. A total of 12 affected males and females were reported. One carrier ... |