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疥疮 Scabies
系疥虫寄生于表皮角层内所致的传染病。通过密切接触传染,在人群易传播。
诊断要点:
基本损害为针头大小丘疹,有时可见疥螨在表皮角质层内掘的隧道。瘙痒剧烈,尤以夜间为甚。皮损好发于指缝、腕屈面、肘窝、脐窝及腹股沟等皮肤折皱部位。当皮疹泛发全身时,可误诊为丘疹性湿疹。男性患者在阴囊、阴茎皮肤上可形成黄豆大的褐红色结节。疥疮治愈后,结节仍经久不消。“挪威疥”具有疥的基本特点,但皮疹严重、泛发,有明显角化及痂屑,见于身体虚弱或免疫功能低下者。
治疗要点:
10%(儿童5%)硫磺软膏外搽,全身外用,连续3天,第4天洗澡更衣。必要时两周后重复一疗程。丙体666霜(疥灵霜)外搽12~24小时后洗澡,儿童及孕妇不宜使用。内衣、床单等寝具应煮沸消毒或在日光下暴晒。若有多人发病应同时接受治疗。
![](https://epubservercos.yuewen.com/2D47EB/21846772801639806/epubprivate/OEBPS/Images/P6-6-1_13636.jpg?sign=1739116566-jot4DwbpJfVNVrTjHudE8we8Biy7CrlC-0-203a94f2ac7078a819296e5446ca7ea2)
图6-6-1 疥疮
![](https://epubservercos.yuewen.com/2D47EB/21846772801639806/epubprivate/OEBPS/Images/P6-6-2_13637.jpg?sign=1739116566-tj0xoBC4CwcjZMGHc8Ms7m5ryT6Iv5oK-0-8bfe970a5f3e0b59c17d9578ece5d699)
图6-6-2 疥疮
![](https://epubservercos.yuewen.com/2D47EB/21846772801639806/epubprivate/OEBPS/Images/P6-6-3_13638.jpg?sign=1739116566-dxV5cpzNiH91rcOCefkGa4S4xmGCsFhc-0-cfc3ed2038e761694081faaf95b8928c)
图6-6-3 挪威疥
![](https://epubservercos.yuewen.com/2D47EB/21846772801639806/epubprivate/OEBPS/Images/P6-6-4_13639.jpg?sign=1739116566-Mz7fWXdcvWfnqLUUVQoMWtL4K80DEzwA-0-55c31dc843b0da73b2c48e0ebc22b01d)
图6-6-4 挪威疥
![](https://epubservercos.yuewen.com/2D47EB/21846772801639806/epubprivate/OEBPS/Images/P6-6-5_13640.jpg?sign=1739116566-SHaUmD9Hx2CLK5q7viz5lXJg3qfUGYoA-0-ce4ef49b73424dead8f98d8acf081300)
图6-6-5 疥疮
![](https://epubservercos.yuewen.com/2D47EB/21846772801639806/epubprivate/OEBPS/Images/P6-6-6_13641.jpg?sign=1739116566-O3hHu9Ar1zuFFDhaRwozKmGcCTGe2GgQ-0-7db6222fd3d9869c5c0a393ee90f3550)
图6-6-6 疥疮结节