Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
10
pubmed:dateCreated
2006-10-26
pubmed:abstractText
The GAG deletion in the DYT1 gene usually causes a typical form of primary torsion dystonia (PTD) with early onset in a limb, rapid generalization, and sparing of cranial-cervical muscles, but atypical phenotypes have often been reported. Here, we describe a large DYT1 Italian family with phenotypically heterogeneous PTD that recapitulates all the atypical features associated with the DYT1 mutation, including late age at onset, focal or segmental phenotypes, onset or spreading of dystonia to the cranial-cervical muscles. Of 38 healthy family members, 15 also carried the DYT1 mutation, with an estimated penetrance of 21%. A literature review of atypical familial cases of DYT1-PTD showed that late onset, cervical involvement, and limited progression of dystonia are features frequently seen in DYT1 families. However, nearly all of these atypical patients fall within at least one of the clinical categories that best predict the DYT1 carrier status, namely, early onset, onset in a limb, and family history positive for early-onset dystonia.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Oct
pubmed:issn
0885-3185
pubmed:author
pubmed:issnType
Print
pubmed:volume
21
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1782-4
pubmed:dateRevised
2007-5-10
pubmed:meshHeading
pubmed:year
2006
pubmed:articleTitle
Atypical phenotypes and clinical variability in a large Italian family with DYT1-primary torsion dystonia.
pubmed:affiliation
Department of Neurological and Visual Sciences, Neurological section, University of Verona, Italy.
pubmed:publicationType
Journal Article, Case Reports