Among Class II alleles, DRB1*15:01:01:26 (p < 0.00001, OR = 96.25) and DQA1*05:05:01:02 (p < 0.0001, OR = 2.73) showed strong associations with MS (pc < 0.05). This evidence concerns the gene HLA-DQA1 and myeloid sarcoma.