HLA-B and peeling skin syndrome: The HLA-B27 allele was relatively rare in our study, accounting for only 4.0% (3.0% HLA-B*2704 and 1.0% HLA-B*2705) of the PSS patients and 3.5% (2.3% HLA-B*2704, 0.4% HLA-B*2705, 0.4% HLA-B*2706 and 0.4% HLA-B*2707) of the controls (Table 2).