颅内原发性黑色素细胞瘤1例

CHINESE JOURNAL OF MEDICAL IMAGING TECHNOLOGY(2011)

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Abstract
患者男,26岁,以"双眼复视伴头痛48天,恶心、呕吐1天"入院.查体:全身皮肤、黏膜无色素斑、色素痣;右眼视力0.4,左眼视力0.4,眼底检查见双眼视乳头水肿,周围有条片状出血,双眼生理盲点扩大.CT见左前颅窝底高密度影(图1).MRI示左前颅窝底约7.0cm×6.0cm不规则形占位病变,呈分叶状,T1WI呈高低混杂信号(图2),T2WI呈稍低信号,增强扫描强化明显.
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