眼外肌颗粒细胞瘤的CT和MRI表现

Pub Date : 2020-02-10 DOI:10.3760/CMA.J.ISSN.1005-1201.2020.02.013

M. Qi, N. Lin, Yaru Sheng, Ting Yuan, Y. Sha

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引用次数: 0

摘要

笔者报道3例眼肌颗粒细胞瘤（GCT）的影像及病理表现。GCT的影像特点为肿块以肌腹为中心，CT上呈均匀等或稍高密度；常规MRI，相对于脑灰质，肿块于T1WI呈等信号、T2WI上呈低信号，增强扫描呈中等至显著强化；扩散加权成像呈等或稍低信号，平均表观扩散系数为0.60×10-3 mm2/s。GCT的病理特点为瘤细胞体积大，且细胞排列紧密，胞质充满嗜酸性颗粒，S-100表达强阳性。

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CT and MRI findings of granulosa cell tumor in extraocular muscle

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