Neurology:胼胝体周曲线型脂肪瘤

2019-07-18 zxy 神经科病例撷英拾粹

27岁女性,因意外发现颅内病变至神经外科就诊。神经系统查体无殊。

27岁女性,因意外发现颅内病变至神经外科就诊。神经系统查体无殊。脑MRI可见一半球间脂肪瘤,位于胼胝体上(图)。诊断为胼胝体周曲线型脂肪瘤。颅内脂肪瘤是一种罕见的先天性畸形。胼胝体周区域是颅内脂肪瘤最好发部位。胼胝体周脂肪瘤可分为2种形态亚型:管结节型和曲线型。后者多无症状,偶尔出现癫痫发作和头痛,其他伴随发育异常的发生率较低。本例患者不需要手术切除,建议定期随访。


(图:矢状位T1WI可见胼胝体上半球间细长高信号肿块[A],脂肪抑制序列上信号衰减[B])

原始出处:Fu Y1, Fang X1, Li Y2, Zhao X2. Teaching NeuroImages: Pericallosal curvilinear lipoma. Neurology. 2019 Jul 9;

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