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紅斑

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紅斑
Erythema
莱姆病初期,有病徵性英语Pathognomonic慢性游走性红斑英语erythema chronicum migrans
类型潮紅[*]
分类和外部资源
醫學專科皮肤病学
ICD-11ME64.0
ICD-10L51-L54
ICD-9-CM695
ICD-O英语International Classification of Diseases for Oncologyl
DiseasesDB4466
MeSHD004890
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紅斑是因為皮膚表面毛細血管的血管擴張,造成皮膚黏膜充血發紅的症狀[1]。紅斑會因為皮膚受傷、感染或發炎而出現。也有一些和疾病無關的皮膚紅斑,例如因緊張造成的皮膚發紅[2]

成因

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紅斑可能因為感染、按摩、電療、痤瘡藥物、過敏、運動,太陽照射(曬傷)、皮膚輻射綜合徵、汞中毒糜烂性毒剂[3]菸酸給藥[4]、或是用蠟或鑷子去除毛髮所引起。其中任何一種都可能導致毛細血管擴張,導致皮膚發紅。紅斑也是放射治療的常見副作用,因為治療時患者會暴露於游離輻射下。

診斷

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若用手指按壓紅斑部位,紅斑會消失。而按壓紫斑、皮膚出血和色素沉著部位,該部位的顏色不會消失。

分類

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相關條目

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參考資料

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  1. ^ Mosby's Medical Dictionary 9th. St. Louis, Missouri: Elsevier. 2013. ISBN 978-0-323-08541-0. 
  2. ^ erythema, Mosby's Medical, Nursing & Allied Health Dictionary, Fourth Edition, Mosby-Year Book 1994, p. 570
  3. ^ EFFECTS Vesicant. [2017-05-21]. (原始内容存档于2017-12-12). 
  4. ^ Weterle R, Rybakowski J. Test niacynowy w schizofrenii [The niacin test in schizophrenia]. Psychiatr Pol. Mar–Apr 1990, 24 (2): 116–20. PMID 2084715. 
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紅斑
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