Spondylocostal dysostosis 6

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Disease Overview

Spondylocostal dysostosis is a group of conditions characterized by abnormal development of the bones in the spine and ribs. In the spine, the vertebrae are misshapen and fused. Many people with this condition have an abnormal side-to-side curvature of the spine (scoliosis). The ribs may be fused together or missing. These bone malformations lead to short, rigid necks and short midsections. Infants with spondylocostal dysostosis have small, narrow chests that cannot fully expand. This can lead to life-threatening breathing problems. Males with this condition are at an increased risk for inguinal hernia, where the diaphragm is pushed down, causing the abdomen to bulge out. There are several types of spondylocostal dysostosis. These types have similar features and are distinguished by their genetic cause and how they are inherited.[9856] 

Spondylocostal dysostosis 6 is caused by mutations in the RIPPLY2 gene. It is inherited in an autosomal recessive manner.[10360] Treatment is symptomatic and supportive and may include respiratory support and surgery for inguinal hernia and scoliosis.[9858]


Synonyms

  • SCDO6
  • Spondylocostal dysostosis 6, autosomal recessive

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National Organization for Rare Disorders