Loading AI tools
来自维基百科,自由的百科全书
紫癜(purpura)又称紫瘢[1]、紫斑,是皮肤或黏膜出现的紫色血块,其定义大小为 3毫米~ 10毫米[2];瘀点、瘀斑压之不退色者为其特征。小于 3毫米大小的红色或紫色血块为瘀点(petechia)或出血点[3],大于10毫米的为瘀斑(ecchymosis)或出血斑[4][5]。
紫癜常发于学龄儿童,是小儿出血性疾病中一种常见的疾病。
紫癜可出现多种疾病,可分为两类:
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.