COVID-19后继发抗MDA5抗体阳性皮肌炎的PET/CT表现分析
占汇1 黄劲柏2* 杨元山2

1 长江大学医学部医学影像系，湖北荆州，434000；

2 长江大学附属第一医院核医学科，湖北荆州，434000；

摘要：目的：探讨新型冠状病毒肺炎感染后继发抗MDA5抗体阳性皮肌炎的影像学表现。方法：回顾性分析1例感染新型冠状病毒肺炎后抗MDA5抗体阳性皮肌炎患者的临床资料和18F-FDG PET/CT表现，并结合文献对其进行分析。结果：35岁男性，半年前感染COVID-19，3个月前出现多关节肿痛及全身多处皮疹，18F-FDG PET/CT见全身多发肌肉代谢增高及四肢关节对称性滑膜肿胀，代谢增高，实验室检查肌炎特异性抗体MDA5抗体阳性，诊断为抗MDA5阳性皮肌炎，经治疗后症状缓解。结论：COVID-19感染后如出现全身多发皮诊及多发关节炎或关节肿痛等症状，应考虑抗MDA5阳性皮肌炎可能。

关键词：新型冠状病毒肺炎；皮肌炎；抗MDA5抗体；PET／CT

参考文献

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