Neurology:伴横窦和乙状窦狭窄的乳突骨瘤可致假性脑瘤

2019-07-20 zyx 神经科病例撷英拾粹

54岁女性,表现为进行性视力丧失和高催乳素血症征象,行神经影像学检查,提示部分空蝶鞍(图1A),双侧视神经萎缩(图1B)和扩张性乳突病变(图2),导致右侧横窦和乙状窦狭窄(图2B)。除开放压力增高(41cm H2O)外,脑脊液化验正常。

54岁女性,表现为进行性视力丧失和高催乳素血症征象,行神经影像学检查,提示部分空蝶鞍(图1A),双侧视神经萎缩(图1B)和扩张性乳突病变(图2),导致右侧横窦和乙状窦狭窄(图2B)。除开放压力增高(41cm H2O)外,脑脊液化验正常。临床和放射学检查结果提示假性脑瘤的诊断,也称为特发性颅内高压。本病多与不明原因的大的侧静脉窦狭窄有关,通常是不对称的。很少有解剖学病变可以通过神经影像学明确。


(图1:A:部分空蝶鞍伴骨重建;B:双侧视神经和视交叉萎缩和退行性变)


(图2:A:累及乙状窦的大的右侧颞骨骨瘤;可见增大的蝶鞍;B:右侧横窦移位和狭窄;注意到左侧横窦发育不良)

原始出处:Lima Guarneri G1, Corrêa de Almeida Teixeira B1. Mastoid osteoma with stenosis of transverse and sigmoid sinuses as a cause of pseudotumor cerebri. Neurology. 2019 Jul 2;93(1):37-38. 

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    2020-06-02 yinhl1978
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    2019-07-21 jxrzshh