Neurology:貌似巨细胞动脉炎的翼状肌肌炎

2019-05-31 zyx整理 神经科病例撷英拾粹

由于找到革兰氏阳性球菌且胸部X线提示多发结节,因此行影像学检查以明确病因。

51岁女性,表现为左侧太阳穴处严重的新发头痛和压痛,颌跛行(咀嚼时因疼痛而暂停——译者注)和发热。实验室检查可见红细胞沉降率升高(105mm/h)。这些发现符合巨细胞动脉炎(GCA)的分类标准。皮质类固醇激素治疗后头痛迅速好转。

由于找到革兰氏阳性球菌且胸部X线提示多发结节,因此行影像学检查以明确病因。脑MRI可见左侧翼状肌和颞肌的弥漫强化,氟-18-氟脱氧葡萄糖PET提示同一部位代谢增高(图)。翼状肌肌炎是一种未被认识的疾病,应作为GCA的一个鉴别诊断



(图:A:脑MRI;FLAIR可见左侧翼状肌高信号[箭];增强T1可见肌肉弥漫强化[箭];B:18F-FDG PET可见左侧翼状肌摄取增加[箭])

原始出处:Na S, Lee ES, Kim YD. Teaching NeuroImages: Pterygoid myositis mimicking giant cell arteritis.Neurology. 2019 May 7;92(19):e2297.

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    2019-08-17 yinhl1978
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    2019-08-31 xsm927
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    2019-06-02 wwzzly

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