Chromosome 2p15-p16.1 microduplication in a boy with congenital anomalies: Is it a distinctive syndrome?

Abstract

Array-based comparative genomic hybridization is a routine technology that helps clinicians in the diagnostic evaluation of individuals presenting with developmental delay or malformation anomalies. With this technique, several patients affected by microdeletion 2p15-p16.1 have been reported and this anomaly has been recognized as a distinct syndrome. In contrast, clinical features of patients with microduplication in the same region have been registered mainly in clinical and genetic data-bases and to date just a single patient has been reported in detail in the literature. A 12-year-old boy with 2p15-p16.1 microduplication presented with moderate neurodevelopment delay, epileptic seizures, behavioral disturbances, and minor dysmorphic features. The role of 2p15-p16.1 duplication in this case, and the others published in data-bases with a similar molecular duplication, are discussed.

Keywords: 2p15-p16.1; Epilepsy; Microdeletion; Microduplication; Neurodevelopmental delay.