伴水疱的色素性痒疹一例
报告伴水疱的色素性痒疹1例。患者女，45岁，主诉背部及胸腹部皮疹伴瘙痒6月余。皮肤科检查：背部及胸腹部可见红斑及红褐色丘疹，部分融合成片，部分区域可见密集小水疱，疱液澄清，尼氏征阴性。背部皮损组织病理检查：表皮内多房水疱形成，疱液内可见嗜酸性粒细胞、淋巴细胞和中性粒细胞浸润，基底细胞空泡化变性，真皮浅层血管扩张，周围可见淋巴细胞及少许嗜酸性粒细胞浸润，真皮内可见嗜色素细胞。临床诊断为色素性痒疹。门诊予多西环素100mg，每日2次口服，治疗2周后瘙痒消失，红斑水疱消退，伴有色素沉着。
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