Disease Gene or genetic position Association or evidence Reference CS HLXB9 yes [73] CS HLXB9 yes [74] CS HLXB9 yes [75] CRS CYP26A1 no [63] CRS HLXB9 no [64] CRS 18p11.2 yes [77] VACTER HOXD13 yes [62] CS 7q yes [79] VACTER 22q11.21 yes [78]

Table 2: Genetic research list for diseases related and similar to caudal regression syndrome.