A further contribution to the delineation of the 17q21.31 microdeletion syndrome: central nervous involvement in two Italian patients.

Abstract:

:The 17q21.31 microdeletion syndrome is a genetic disorder characterized by intellectual disability, facial dysmorphisms and a typical behavioral phenotype. Patients are usually described as friendly and cooperative but they can also show behavioral problems such as hyperactivity, bad humor, temper tantrums and poor interaction. Central nervous system involvement includes callosal dysgenesis/absence, enlargement of lateral ventricles and abnormalities of cyngulate gyrus. We report on two Italian patients with the 17q21.31 microdeletion syndrome better emphasizing neuroimaging and neuropsychological characteristics. In particular, we carried out an assessment of intellectual efficiency and behavior that turned out to be within the mild-moderate range of mental retardation, as already reported in the literature. To the best of our knowledge this is the first report of a patient with the 17q21.31 microdeletion and a Chiari malformation type 1 coexisting with a mild anomaly of medulla oblongata. This malformation should be considered in patients with the 17q21.31 microdeletion syndrome, presenting suggestive symptoms (headache, neck pain, cerebellar signs or muscle weakness).

journal_name

Eur J Med Genet

authors

Terrone G,D'Amico A,Imperati F,Carella M,Palumbo O,Gentile M,Canani RB,Melis D,Romano A,Parente I,Riccitelli M,Del Giudice E

doi

10.1016/j.ejmg.2012.04.010

subject

Has Abstract

pub_date

2012-08-01 00:00:00

pages

466-71

issue

8-9

eissn

1769-7212

issn

1878-0849

pii

S1769-7212(12)00157-7

journal_volume

55

pub_type

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