目的：研究银屑病患者外周血T淋巴细胞表面共刺激分子CD80的表达及其与银屑病皮损面积和严重程度指数（PASI）的相关性。

Objective: To measure the expression of co-stimulatory molecule CD80 on peripheral blood T lymphocytes in patients with psoriasis and its correlation with psoriasis area and severity index (PASI).

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银屑病甲严重指数和修改的银屑病甲严重指数都反应了疾病的严重程度。

Both the Nail Psoriasis severity Index (NAPSI) and the modified NAPSI showed a correlation in their ability to reflect the severity of the disease.

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按银屑病面积和严重性指数(PASI)评分评估银屑病患者病情严重程度。

The severity of disease was evaluated by psoriasis area and severity index (PASI).

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按银屑病面积和严重性指数(PASI)评分评估银屑病患者病情严重程度。

The severity of disease was evaluated by psoriasis area and severity index (PASI).

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