fa عمومى General گزارش مورد case report 1q21.1 duplication is a rare copy number variant accompanied with multiple congenital malformations, including developmental delay, autism spectrum disorder, dysmorphic features and congenital heart anomalies. The present study described an Iranian 6-month-old infant with coarctation of aorta, seizure and dismorphic features. The parents and the sibling of the patient, were physically and psychologically normal. Whole genome oligo array CGH revealed a deletion 314.2 Kb on 1q21.1q21.1 and duplication of 1.25 Mb on 1q21.1q21.2. Up to date, few evidence are available for the cardiac abnormalities of the patients with micro deletion and microduplication on 1q21 have also coarctation of aorta. 1q21.1 Deletion, 1q21.1 Duplication, Congenital Heart Disease, Coarctation Of Aorta 68 73 http://intjmi.com/browse.php?a_code=A-10-1-244&slc_lang=fa&sid=1 Ehsan Aghaei Moghadam 10031947532846002260 10031947532846002260 Yes Department of cardiology, children’s medical center, Tehran University of Medical Science, Tehran, Iran Mohammad Reza Mirzaaghayan 10031947532846002261 10031947532846002261 No Department of cardiac surgery, children’s medical center, Tehran University of Medical Science, Tehran, Iran Azin Ghamari 10031947532846002262 10031947532846002262 No Growth and development research center, Tehran University of medical science, Tehran, Iran Sima Amini 10031947532846002263 10031947532846002263 No Department of cardiology, children’s medical center, Tehran University of Medical Science, Tehran, Iran