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患儿,女,12个月。入院前5天患感冒并在右颊部出现几个约绿豆大小的小疱。患儿自行抓破,于当晚出现高烧,很快发现右颊部肿胀,小疱处皮肤呈紫色。临床检查:右颊部、右下唇和颏部有一约25mm×20mm黑色坏死区,坏死区表面干燥,其周围为紫色区。两区面积约50mm×22mm。两区周围组织肿胀呈硬块状,与正常组织分界较清楚,皮肤表面温度不高。心肺(一),能安静入睡,饮食正常。入院第4天,紫色区逐渐变成黑色,第6天坏死区与硬块区交界处出现裂隙,可见淡黄色脓性分泌物和绿色分泌物,有臭味,第8天发现与坏死区相对应的口腔粘膜
Children, women, 12 months. Five days before admission, he developed a cold and several small blisters of mung bean size appeared on the right cheek. Pediatric self-scratching, high fever on the night, soon found that the right cheek swelling, small blisters skin purple. Clinical examination: Right cheek, right lower lip and chin have a 25mm × 20mm black necrotic area, the surface of the necrotic area is dry, the surrounding purple zone. Area of two about 50mm × 22mm. Tissue swelling around the two areas was a massive lump, with a clear boundary between normal tissue, the skin surface temperature is not high. Cardiopulmonary (a), to sleep quietly, normal diet. On the 4th day after admission, the purple area gradually became black. On the 6th day, there appeared fissure at the junction of the necrotic area and the lump area. The yellowish purulent secretions and green secretions were visible, and on the 8th day, it was found to correspond to the necrotic area Oral mucosa