Affiliations 

  • 1 Medical Genetics Branch, National Human Genome Research Institute, The National Institutes of Health, Bethesda, Maryland
  • 2 Sheikh Zayed Institute for Pediatric Surgical Innovation, Children's National Health System, Washington DC
  • 3 Department of Biochemistry, St. George's University, St. George's, Grenada, West Indies
  • 4 Faculty of Medicine, Department of Pediatrics, Center of Excellence for Medical Genetics, Chulalongkorn University, Bangkok, Thailand
  • 5 Department of Paediatrics and Adolescent Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region, Hong kong, China
  • 6 Center of Human Genetics/ School of Medicine and Pharmacy, College of Medicine and Health Sciences, University of Rwanda, Kigali, Rwanda
  • 7 Servicio de Genética Hospital de Pediatría Garrahan, Buenos Aires, Argentina
  • 8 Department of Paediatrics College of Medicine, University of Lagos, Lagos University Teaching Hospital Idi-Araba, Lagos, Nigeria
  • 9 Department of Pediatrics and Medical Genetics, National Taiwan University Hospital, Taiwan
  • 10 Department of Medical Genetics, Kasturba Medical College, Manipal University, Manipal, India
  • 11 Mazumdar Shaw Medical Center, Narayana Health City, Bangalore, India
  • 12 Department of Paediatrics, KK Women's and Children's Hospital, Singapore
  • 13 Dr. Shroff Charity Eye Hospital, New Delhi, India
  • 14 Faculty of Medicine, Human Genetics Unit, University of Colombo, Sri Lanka
  • 15 Hospital for the Rehabilitation of Craniofacial Anomalies, São Paulo University, Brazil
  • 16 Faculty of Medicine, Department of Paediatrics, University of Malaya, Kuala Lumpur, Malaysia
  • 17 Division of Medical Genetics, Department of Pediatrics, University of Mississippi Medical Center, Jackson, Mississippi
  • 18 Center for Research on Genomics and Global Health, National Human Genome Research Institute, The National Institutes of Health, Bethesda, Maryland
  • 19 Division of Genetics and Metabolism, Children's National Health System, Washington DC
Am J Med Genet A, 2017 Jan;173(1):42-53.
PMID: 27991738 DOI: 10.1002/ajmg.a.38043

Abstract

Down syndrome is the most common cause of cognitive impairment and presents clinically with universally recognizable signs and symptoms. In this study, we focus on exam findings and digital facial analysis technology in individuals with Down syndrome in diverse populations. Photos and clinical information were collected on 65 individuals from 13 countries, 56.9% were male and the average age was 6.6 years (range 1 month to 26 years; SD = 6.6 years). Subjective findings showed that clinical features were different across ethnicities (Africans, Asians, and Latin Americans), including brachycephaly, ear anomalies, clinodactyly, sandal gap, and abundant neck skin, which were all significantly less frequent in Africans (P 

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.