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A rare primary bone dysplasia characterized by costovertebral ossification defects with small chest abnormal vertebral segmentation and posterior rib gaps containing incompletely differentiated mesenchymal tissue. Consistent dysmorphic craniofacial features include ocular hypertelorism epicanthal folds depressed nasal bridge with short nose and low-set ears. The most common extraosseous manifestations are renal abnormalities such as multicystic kidneys. The disease is usually perinatally lethal due to respiratory insufficiency.

Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview. Reference: Access aggregated data from Orphanet at Orphadata. Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http://www.orphadata.org. Data version June 2024

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