Familial dementia, Danish type
General Information (adopted from Orphanet):
Synonyms, Signs: |
DEMENTIA, FAMILIAL DANISH FAMILIAL DANISH DEMENTIA HEREDOPATHIA OPHTHALMOOTOENCEPHALICA CEREBELLAR ATAXIA, CATARACT, DEAFNESS, AND DEMENTIA OR PSYCHOSIS FDD HOOE |
Number of Symptoms | 11 |
OrphanetNr: | 97346 |
OMIM Id: |
117300
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ICD-10: |
G31.0 |
UMLs: |
C1861735 |
MeSH: |
C538209 |
MedDRA: |
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Snomed: |
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Prevalence, inheritance and age of onset:
Prevalence: | No data available. |
Inheritance: |
Autosomal dominant inheritance [Omim] |
Age of onset: |
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Disease classification (adopted from Orphanet):
Parent Diseases: |
Genetic neurodegenerative disease with dementia
-Rare genetic disease Neurodegenerative disease with dementia -Rare neurologic disease |
Symptom Information:
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(HPO:0001115) | Posterior polar cataract | 8 / 7739 | ||||
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(HPO:0000365) | Hearing impairment | 539 / 7739 | ||||
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(HPO:0000726) | Dementia | 131 / 7739 | ||||
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(HPO:0002080) | Intention tremor | 44 / 7739 | ||||
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(HPO:0000709) | Psychosis | 61 / 7739 | ||||
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(HPO:0001257) | Spasticity | 251 / 7739 | ||||
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(HPO:0001251) | Ataxia | 20385796 | IBIS | 413 / 7739 | ||
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(HPO:0011970) | Cerebral amyloid angiopathy | 9 / 7739 | ||||
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(HPO:0002185) | Neurofibrillary tangles | 14 / 7739 | ||||
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(OMIM) | Large quantities of cholesterol and cholesterol compounds in tissue and in glial cells, walls and lumina of vessels | 1 / 7739 | ||||
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(HPO:0000006) | Autosomal dominant inheritance | 2518 / 7739 |
Associated genes:
ClinVar (via SNiPA)
Gene symbol | Variation | Clinical significance | Reference |
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Additional Information:
Clinical Description OMIM |
Stromgrem et al. (1970) described this syndrome in 9 persons in 5 generations of a Danish family. Intention tremor was present. Paranoid psychosis or increasing dementia occurred in late life. Posterior polar cataracts appeared between ages 20 and ... |
Molecular genetics OMIM |
Vidal et al. (2000) reported the isolation and biochemical characterization of a de novo-created amyloid protein and the identification of the genetic defect in the ITM2B gene (603904.0002) that results in dementia in the Danish kindred originally reported ... |