Abstract
Introduction We evaluated the contribution of array comparative genomic hybridization (aCGH) to the final diagnosis in children with neurocognitive disturbances or dysmorphic findings, but lacked a specific diagnosis. Materials and methods Medical files of pediatric patients with neurocognitive disturbances who underwent aCGH analysis were reviewed retrospectively. Results Of 155 patients, 77 copy number variations were detected and 50% (39/77) were considered causative. The aCGH’s final diagnostic rate was 25.1% (39/155). Conclusion With aCGH analysis, the diagnosis rate for patients with undiagnosed neurocognitive disturbances or dysmorphic syndrome may increase by 25–30%. If the phenotypic findings of the widely known neurocognitive disturbances cannot be identified during the initial clinical assessment, aCGH analysis may be beneficial.
Published Version
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