A study on tumor necrosis factor-α single nucleotide polymorphisms and psoriasis vulgaris in Vietnam.

This study aims to evaluate the association between tumor necrosis factor-a (TNF-α) single nucleotide polymorphisms and psoriasis vulgaris. This cross-sectional study involved 140 Vietnamese patients of Kinh ethnicity diagnosed with psoriasis vulgaris. The diagnosis of psoriasis vulgaris was based on clinical signs and symptoms.