The prevalence in Psoriasis versus the control was found for TPO Ab (25.0% vs. 9.3%, p = 0.02), Tg Ab (30.4% vs. 11.1%, p = 0.01), hypoechogenicity (30.4% vs. 9.3%, p = 0.02), pseudo-nodularity (16.1% vs. 0%, p = 0.002), and increased vascularity (35.7% vs. 5.6%, p = 0.001). This evidence concerns the gene TPO and psoriasis.