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皮肌炎(多肌炎)是一种在皮肤、皮下组织及肌肉的炎性疾病,一种弥漫性血管病。其特征前驱症状不明显,继而出现水肿,皮炎及多数肌肉发炎和变性。也可出现红斑、毛细血管扩张、色素沉着及间质钙沉着。呈急性、亚急性和慢性型。肌肉受累没有皮肤改变通称为多肌炎(Polymyositis)。 临床表现 通常从面部和眼睑红斑与水肿起病,有时扩展到其它部位。通常两眼睑首先受累,而水肿为紫红、淡紫色。由于眼轮匝肌受累可有触痛。用放大镜可以看到两眼睑上有微细毛细血管扩张。也可以有眼外斜肌麻痹和其它眼改变。
Dermatomyositis (polymyositis) is an inflammatory disease of the skin, subcutaneous tissue and muscles, a diffuse vascular disease. Its characteristic prodromal symptoms are not obvious, followed by edema, dermatitis and most muscle inflammation and degeneration. Erythema, telangiectasia, pigmentation and interstitial calcium deposition can also occur. Was acute, subacute and chronic type. Muscular involvement No skin changes are commonly known as Polymyositis. Clinical manifestations usually begin with erythema and edema of the face and eyelid, sometimes extending to other sites. Usually the first two eyelids involved, and edema purple, lavender. Orbicularis muscle involvement may have tenderness. With a magnifying glass can be seen on both eyelids with telangiectasias. There may also be extra-ocular obliques and other eye changes.