A girl with del(4)(q33) and occipital encephalocele: Clinical description and molecular genetic characterization of a rare patient

Roberto Quadrelli, Eugen M. Strehle, Alicia Vaglio, Mariela Larrandaburu, Búrix Mechoso, Andrea Quadrelli, Yao Shan Fan, Taosheng Huang

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Abstract

We present clinical and developmental data on a girl with a de novo terminal deletion of the long arm of chromosome 4, del(4)(q33). The patient was evaluated at birth and followed up until 5 years of age. She showed facial and digital dysmorphism, a complex congenital heart defect, a large occipital encephalocele, and postnatal growth deficiency. Her neuropsychomotor milestones were delayed, and she developed learning difficulties. Apart from standard Giemsa banding, a molecular genetic analysis was performed using a comparative genomic hybridization (CGH) array. This revealed a terminal deletion at the band 4q32.3, which is directly adjacent to 4q33. The clinical findings in our patient differ from those described previously in patients with del(4)(q33) and del(4)(q32), respectively. In particular, the prominent occipital encephalocele has not been observed before in a terminal 4q deletion.

Original languageEnglish (US)
Pages (from-to)4-10
Number of pages7
JournalGenetic testing
Volume11
Issue number1
DOIs
StatePublished - Mar 1 2007

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ASJC Scopus subject areas

  • Genetics(clinical)

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