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激光扫描共聚焦显微镜辅助诊断诺卡菌性角膜炎1例

Laser scanning confocal microscopy assisted diagnosis of Nocardia keratitis:a case report
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摘要 患者,女,57岁,因无明显诱因出现右眼异物感、视力下降1个月余,于2020年1月至成都东区爱尔眼科医院就诊后收治入院。否认糖尿病病史。患者曾于外院诊断为角膜炎,于10 d前在外院行角膜激光扫描共聚焦显微镜检查,报告发现菌丝,给予常规抗细菌治疗无效转至本院就诊。眼科检查:视力右眼0.02(-2.00 DS/-0.50 DC×90°=0.15),左眼0.08(-3.50 DS/-2.00 DC×90°=1.0);右眼眼压12.4 mmHg(1 mmHg=0.133 kPa),左眼眼压15.9 mmHg;右眼结膜混合充血(+),角膜中央瞳孔区可见一直径约2 mm灰白色圆形浸润灶,溃疡达浅基质层,溃疡底部较清洁,可见2个灰白色隆起针尖状病变(图1A),角膜中央直径2 mm荧光素钠染色阳性(图1B),右眼KP(-),Tyndall征(-),晶状体透明,玻璃体和视网膜未见明显异常。左眼前后节均未见明显异常。患者空腹血糖12.38 mmol/L。入院后立即行角膜刮片细胞学检查和细菌、真菌微生物培养,结果均为阴性。激光扫描共聚焦显微镜(HRT3,德国海德堡公司)检查在角膜浅基质层可见纤细分支、略微弯曲的高反光丝状结构,初次报告为“菌丝”(图2)。
作者 鲁静 邹攀 殷珺 孙旭光 Lu Jing;Zou Pan;Yin Jun;Sun Xuguang(Chengdu Aier East Eye Hospital,Chengdu 610051,China;Beijing Institute of Ophthalmology,Beijing Tongren Hospital,Capital Medical University,Beijing 100005,China)
出处 《中华实验眼科杂志》 CAS CSCD 北大核心 2023年第10期1015-1016,共2页 Chinese Journal Of Experimental Ophthalmology
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