目的 研究巨骨细胞瘤(GCT)患 者MRI影像特征及病理特点。方法 搜集 我院2011年5月至2014年8月经手术病理 证实的19例GCT患者的MRI表现和临床资 料，分析患者的MRI征象并与病理结果 对照。结果 肿瘤在T1WI上以中等信号为 主，夹杂有低信号或高信号，T2WI上呈中 等或稍高信号。MRI可显示肿瘤内坏死、 出血、含铁血黄素沉着等。结论 MRI可 以提供丰富准确的影像学信息，提高GCT 诊断的准确性，指导制定科学有效的治 疗方案。

Objective To study the patients with giant cell tumor (GCT) of bone MRI imaging features and pathological characteristics. Methods To collect from May 2011 to August 2014 surgical pathology confirmed the MRI manifestation and clinical data of 19 cases of GCT patients, patients with analysis of the MRI signs and pathological results. Results Tumor predominantly medium signal on T1WI, with a low or high signal, moderate or high signal on T2WI. MRI can display tumour necrosis, hemorrhage, hemosiderosis, etc. Conclusion MRI can provide accurate imaging information, improve the accuracy of the GCT diagnosis and guide to establish scientific and effective treatment.