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Imaging Appearances of Spinal Paraganglioma
Author(s): 
Pages: 1866-1870
Year: Issue:  12
Journal: Journal of Clinical Radiology

Keyword:  SpineParagangliomaTomographyX-ray computedMagnetic resonance imaging;
Abstract: 目的 探讨脊柱区副神经节细胞瘤的影像表现,以提高对此少见肿瘤的认识.方法 对11例临床病理确诊的副神经节细胞瘤患者的影像表现进行回顾性分析,总结其相对特征的表现.结果 11例脊柱副神经节细胞瘤中7例位于T12~ S1水平椎管内硬膜下,肿瘤呈圆形或椭圆形,边界清晰,5例肿瘤周围或内部可见血管影,2例可见含铁血黄素沉积.4例位于T6、T6 ~7、L2和S1~2硬膜外,表现为溶骨骨质破坏或成骨,2例骨破坏区内可见血管影;T1 WI肿瘤呈等信号(7例)、低信号(3例)或高信号(1例);T2 WI呈等信号(5例)、低信号(1例)、高信号(2例)或混杂信号(3例);9例均明显强化,其中4例呈均匀强化,5例不均匀强化.结论 脊柱区的副神经节细胞瘤可位于椎管内硬膜下或硬膜外,椎管内硬膜下者以腰椎管多见,肿瘤血供丰富,增强扫描均明显强化;肿瘤周围或内部血管影相对具有特征性;硬膜外的副节瘤表现为溶骨骨破坏或成骨.
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