JNNP:髓鞘少突胶质细胞糖蛋白相关疾病的异常影像学表现

2020-12-26 MedSci原创 MedSci原创

本文报告一位患有髓鞘少突胶质细胞糖蛋白相关疾病(MOGAD)的异常的影像学表现。一位53岁的白人男性,有2周的眼球运动疼痛史和1周的视力减退史。病人有肺结核和高血压病史。视神经功能明显降低,右眼有数手

本文报告一位患有髓鞘少突胶质细胞糖蛋白相关疾病(MOGAD)的异常的影像学表现。一位53岁的白人男性,有2周的眼球运动疼痛史和1周的视力减退史。病人有肺结核和高血压病史。视神经功能明显降低,右眼有数手指的敏锐度,左眼仅能感知光。他的视盘因右视盘周围出血而肿胀。没有其它神经学特征。

全血、肝、叶酸检查正常。他的CRP低于2.0毫克/升,HIV、水痘-带状疱疹病毒、莱姆病和梅毒测试均为阴性。进行了基于眼眶的核磁共振成像,没有进行初始对比扫描。因此,视神经在T1和T2图像上的表现并不显著。然而,弥散加权成像(DWI)显示视神经广泛受累,肿胀的高信号延长了两个神经的长度。肿胀的神经在表观扩散系数(ADC)图上也很明显。扩散未见明显限制。腰椎穿刺开放压力13cmh20,白细胞25个/mm3(100%淋巴细胞)。脑脊液(CSF)蛋白水平在正常范围内,脑脊液葡萄糖为5.4 mmol/L,血糖为7.0 mmol/L。脑脊液中存在寡克隆IgG,而血清中没有。

病人的T细胞斑点试验呈阳性。因此,呼吸小组对他进行了复查,但没有发现结核病的临床证据。此外,他的胸片和脑脊液均未显示阳性。随后,他的血清MOG抗体检测呈阳性,水通道蛋白4抗体检测呈阴性。他接受静脉注射治疗。在接下来的一个月里,他的右眼视力提高到6/24,左眼视力提高到6/12。

这一病例表明,即使在没有专用的眼眶成像序列的情况下,MOGAD患者的前视路病理学在标准的大脑磁共振协议中也能是明显的。特别是在DWI和ADC图像上显示了明显的肿胀,这可能代表了一种新的症状。

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    2020-12-26 医路顺丰

    很好的文章,受益匪浅!

    0

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