Cono-spondylar dysplasia: clinical, radiographic, and molecular findings of a previously unreported disorder

Am J Med Genet A. 2014 Sep;164A(9):2147-52. doi: 10.1002/ajmg.a.36632. Epub 2014 Jun 26.

Abstract

We report on a consanguineous Arab family in which three sibs had an unusual skeletal dysplasia characterized by anterior defects of the spine leading to severe lumbar kyphosis and marked brachydactyly with cone epiphyses. The clinical phenotype also included dysmorphic facial features, epilepsy, and developmental delay. This constellation likely represents a previously undescribed skeletal dysplasia, most probably inherited in an autosomal recessive pattern. A homozygosity mapping approach has thus far failed to unearth the responsible gene as the region shared by these three sibs is 27.7 Mb in size and contains over 200 genes with no obvious candidate.

Keywords: Arab; Qatar; autosomal recessive; cone epiphyses; developmental delay; skeletal dysplasia.

Publication types

  • Case Reports

MeSH terms

  • Adolescent
  • Adult
  • Child
  • Child, Preschool
  • Female
  • Hand / diagnostic imaging
  • Hand / pathology
  • Haplotypes / genetics
  • Humans
  • Infant
  • Infant, Newborn
  • Knee / diagnostic imaging
  • Knee / pathology
  • Male
  • Musculoskeletal Abnormalities / diagnostic imaging*
  • Musculoskeletal Abnormalities / genetics*
  • Musculoskeletal Abnormalities / pathology
  • Pedigree
  • Pelvis / diagnostic imaging
  • Pelvis / pathology
  • Pregnancy
  • Radiography
  • Spine / diagnostic imaging
  • Spine / pathology