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皮肌炎 Dermatomyositis
为一种侵犯皮肤和肌肉的自身免疫性疾病。少数患者可只有皮炎而无肌炎。
诊断要点:
皮炎症状:
面颊、躯干、四肢紫红或暗红色斑,以双眼睑紫红色皮疹及双手指关节伸侧对称性丘疹(Gottron征)为特点。部分患者呈皮肤异色改变。病程长的患者可出现皮肤钙质沉着。
肌肉症状:
主要侵犯四肢近端大肌群,肌肉酸痛、无力,抬臂或下蹲困难,严重时吞咽困难。血肌酶升高。部分患者可伴发恶性肿瘤。
治疗要点:
全身检查有否内脏肿瘤,如有应积极治疗。患者应注意休息,避免日晒。系统用糖皮质激素或免疫抑制剂如甲氨蝶呤。病情严重者可应用静脉内免疫球蛋白。
![](https://epubservercos.yuewen.com/2D47EB/21846772801639806/epubprivate/OEBPS/Images/P10-8-1_13968.jpg?sign=1739027562-y7IgPywHm4IXo248A7yXvWEA8nmwfqkG-0-89fc7b53feb511f9a05c83a55e83b92b)
图10-8-1 皮肌炎
![](https://epubservercos.yuewen.com/2D47EB/21846772801639806/epubprivate/OEBPS/Images/P10-8-2_13970.jpg?sign=1739027562-nPnhT14tqSBGjIGvLgmHltIMFmwqssjQ-0-85be840c7a0b220f00f2ec46730ba7e5)
图10-8-2 皮肌炎
![](https://epubservercos.yuewen.com/2D47EB/21846772801639806/epubprivate/OEBPS/Images/P10-8-3_13972.jpg?sign=1739027562-GAHEt1bgjH31ftBszfsR217GLr7aSbco-0-760e1a61665d4214c718192127701f14)
图10-8-3 皮肌炎
![](https://epubservercos.yuewen.com/2D47EB/21846772801639806/epubprivate/OEBPS/Images/P10-8-4_13969.jpg?sign=1739027562-ziEEzkonWX7cKByUiU1W6av6vzmNvQK5-0-abb6eb5c97ff8fd61c6e9b0572234a59)
图10-8-4 皮肌炎
![](https://epubservercos.yuewen.com/2D47EB/21846772801639806/epubprivate/OEBPS/Images/P10-8-5_13971.jpg?sign=1739027562-oEfFyOg8jS1rTVEzRjtQhmiOzltrssN6-0-bd8b2ce907c8e6de777c1a041a42d730)
图10-8-5 皮肌炎,示Gottron征
![](https://epubservercos.yuewen.com/2D47EB/21846772801639806/epubprivate/OEBPS/Images/P10-8-6_13973.jpg?sign=1739027562-sYJuPbmPY0nlzNWX5VxgicEGsAOK7BmG-0-43aa58a333ac4982eaf62387e276008c)
图10-8-6 皮肌炎,示皮肤异色改变
![](https://epubservercos.yuewen.com/2D47EB/21846772801639806/epubprivate/OEBPS/Images/P10-8-7_13977.jpg?sign=1739027562-32PgICZW6FU72YqQOYtOdfCMhJF2YNhR-0-a1fbfd1dd4e02948e901a57250dd78dd)
图10-8-7 儿童皮肌炎(无肌炎)
![](https://epubservercos.yuewen.com/2D47EB/21846772801639806/epubprivate/OEBPS/Images/P10-8-8_13976.jpg?sign=1739027562-qxWELQGtpelS5zV1xNeva1NDN79eJ1oq-0-bcd9c7de94f63ff61f6c21c65ac04db5)
图10-8-8 儿童皮肌炎
![](https://epubservercos.yuewen.com/2D47EB/21846772801639806/epubprivate/OEBPS/Images/P10-8-9_13974.jpg?sign=1739027562-piIdMGumJ1Fy6Px93WmQ11n0vYYmOEdA-0-de1f16af99559c2de6357a48720d76be)
图10-8-9 皮肌炎钙化
![](https://epubservercos.yuewen.com/2D47EB/21846772801639806/epubprivate/OEBPS/Images/P10-8-10_13978.jpg?sign=1739027562-0xFwGyWXaqXzH0bl6Qywkx6CJuqA08PA-0-a446c78a2bbadd911516843eeeb38a24)
图10-8-10 皮肌炎,X片示钙化
![](https://epubservercos.yuewen.com/2D47EB/21846772801639806/epubprivate/OEBPS/Images/P10-8-11_13975.jpg?sign=1739027562-uj9Bnz3ap2EQA08WWKfczgG1kSPCUYdv-0-3c9380cca258b2911eac3c36c235d471)
图10-8-11 皮肌炎,伴乳腺癌
![](https://epubservercos.yuewen.com/2D47EB/21846772801639806/epubprivate/OEBPS/Images/P10-8-12_13980.jpg?sign=1739027562-ItW88sVpM4gaguJAVVoBAb8TsHyQGDQZ-0-595cd7070623acf959e6307c81a80235)
图10-8-12 皮肌炎,伴乳腺癌
![](https://epubservercos.yuewen.com/2D47EB/21846772801639806/epubprivate/OEBPS/Images/P10-8-13_13981.jpg?sign=1739027562-yZxOQQ8j9RIgVMrse7wXWcSmjFRXqFKp-0-e95cad9a2832f73312ef5dff7e171494)
图10-8-13 皮肌炎,伴胃癌