CDH is associated with the region of chromosome 17q21. HOXB9 gene and/or COL1AI gene may be susceptibility genes of CDH.

• CDH与 HOXB9基因和 COL1A1基因共同所在的染色体区域 17q2 1有关联 ,HOXB9基因和 (或 ) COL1A1基因可能是 CDH的易感基因