Interstitial deletions of chromosome bands 9q34.11-q34.13 are rare. We report on a 16-year-old female patient with severe intellectual disability, congenital hydrocephalus, cleft lip and palate, talipes equinovarus, epilepsy, kyphoscoliosis, convergent strabismus, severe short stature, dystrophy, and facial dysmorphic signs. Array analysis revealed a 3.7 Mb interstitial deletion in 9q34.11-q34.13. The deletion harbors more than 60 genes, including SPTAN1, DYT1/TOR1A, ABL1, ASS1, LAMC3, POMT1, DOLK, and GLE1, mutations in which have previously been associated with monogenic disorders. This is the first patient with a deletion of this size and position in 9q34.11-q34.13. Reports of additional patients with aberrations in this region will be needed to establish karyotype-phenotype correlations and to gain information on the contribution of individual genes for the clinical manifestations.
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