颅内脱髓鞘假瘤1例

Chinese Journal of Laboratory Diagnosis(2017)

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Abstract
脱髓鞘假瘤(TDL)是指孤立脱髓鞘病灶>20 mm且核磁共振(MRI)平扫上呈脑实质内类肿瘤样占位效应和强化表现的病变.其年发病率约为 0.3/10 万,以女性为主[1].患者通常急性起病,临床表现复杂多样,且无明显特异性.头痛、头晕、认知功能减退、肢体活动不灵等较为常见,癫痫及同向偏盲较少见,但可以是唯一的临床症状[2].在临床和影像学上常与颅内占位性病变混淆,尤其是胶质瘤等恶性病变,易出现误诊误治.本文报道1例初诊为胶质瘤,最终经病理活检诊断为 TDL 的病例.
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