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颅内不典型黑色素瘤一例 被引量:2

One case of atypical intracranial melanoma
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摘要 患者男,50岁。六年前左前胸壁一黑痣反复脱皮、触之易出血,遂切除。术后病理:恶性黑色素瘤。现患者因头晕、行走困难、右手麻木入我院。头颅MRI示左侧顶枕叶类圆形占位,病灶上方呈类圆形T1WI、T2WI稍低信号,大小约13 mm×12 mm,增强扫描呈结节状强化,边缘见强化环;病灶下方见T2WI高低信号液平面,范围约17 mm×22 mm×21 mm;病灶周围可见斑片状T2WI高信号影。DTI示占位处神经纤维束略受压(图1A^G)。随后在我院手术治疗。影像诊断:应排除单纯性出血,考虑转移瘤继发出血可能性大。
作者 韩雨璇 吴鹏 杨超 HAN Yuxuan;WU Peng;YANG Chao(Department of Radiology,The Second Affiliated Hospital of Dalian Medical University,Dalian 116000,China)
出处 《磁共振成像》 CAS 2020年第11期1032-1033,共2页 Chinese Journal of Magnetic Resonance Imaging
关键词 脑肿瘤 黑色素瘤 磁共振成像 brain neoplasms melanoma magnetic resonance imaging
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