斑块状银屑病

概述

什么是斑块状银屑病

银屑病是由关节、韧带和皮肤炎症引起的。斑块状银屑病是最常见的银屑病类型,患者通常表现为凸起、红色、斑片状的皮肤,覆盖有鳞屑。These plaques usually form on the scalp, elbows, knees, or lower back, but they can develop anywhere on the skin.1

The patches vary in color, depending on skin color.2 On Caucasian skin, plaques typically appear as raised, red patches covered with a silvery white buildup of dead skin cells, or scale.3 On skin of color, the plaques may appear darker and thicker and more of a purple or grayish color or darker brown.3

斑块状银屑病无法治愈。目前尚不清楚银屑病的病因,但可能是由遗传或环境因素(例如压力或感染)引起的。有几种药物治疗可用于控制病情并改善患者的日常生活功能。

斑块状银屑病有多常见

Psoriasis is prevalent worldwide, with a global prevalence of 1% to 8%.4 Psoriasis is much more common in Caucasians, and low rates have been reported in people of African and Japanese ancestry.4 Plaque psoriasis is the most common type of psoriasis. About 80% to 90% of people who have psoriasis develop plaque psoriasis.1 Nail psoriasis is seen in up to 40% of cases, with pitting being the most common finding.4


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  • 1a1bPsoriasis: 体征和症状。美国皮肤病学会。(日期不详)。Retrieved March 23, 2023 aad.org
  • 2Mayo Foundation for Medical Education and Research. (8 年 10 月 2022 日)。银屑病。梅奥医学中心Retrieved March 23, 2023 Mayo Clinic
  • 3a3bNational Psoriasis Foundation. (n.d.). 斑块状银屑病:原因、触发因素和治疗。国家银屑病基金会:国家银屑病基金会。Retrieved March 23, 2023 Psoriasis.org
  • 4a4b4cBadri T, Kumar P, Oakley AM. 斑块状银屑病。[更新时间 8 年 8 月 2022 日]。在:StatPearls [因特网]。Treasure Island (FL):StatPearls Publishing; 2023 Jan NCBI