寻常型银屑病(Psoriasis vulgaris,PV)的组织病理改变多已清楚,遍有记载。但PV真皮中部、下部血管病变未见记载。我们对此进行了观察,现将结果报告如下。临床资料与方法本组50例中,男30例,女20例。年龄13～71岁(平均35.3岁)。皮损取材部位:头皮1例,躯干6例,四肢43例。病程:半月～40年(平均5.9年)进展期41例,静止期6例,期不明3例。 Histopathological changes of psoriasis vulgaris (PV) are well documented and documented. But PV dermis, the lower vascular lesions have not been documented. We have observed this and the results are reported below. Clinical data and methods The group of 50 patients, 30 males and 20 females. Age 13 to 71 years (mean 35.3 years). Lesions were drawn parts: 1 case of scalp, 6 cases of trunk, limbs in 43 cases. Course of disease: half months to 40 years (mean 5.9 years) 41 cases of advanced stage, 6 cases of quiescent, unknown period in 3 cases.