A related report on the 9q21.13 microdeletion is retrieved from the PubMed database, which is wholly included in the fragment we detected, with a size of 582 Kb encompassing exon 1 of RORB (9q21.13, chr9:76601085-77182821, NM_006914, hg19) in a male patient with childhood absence epilepsy and intellectual disability, while the inheritance of the variant is unknown (Lal et al., 2015). Here, RORB is linked to Intellectual disability.