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目的分析骨孤立性浆细胞瘤(SPB)的影像学表现,提高对其认识和诊断水平。方法回顾性分析15例经手术和病理证实的SPB患者的影像学征象。结果肿瘤位于脊柱7例,长骨2例,扁骨5例,斜坡1例。X线及CT上15例均表现为单发膨胀性、溶骨性骨质破坏,边界清楚,未见骨膜反应。10例形成软组织肿块,5例破坏区见软组织充填,1例发生病理性骨折,9例破坏区可见残存骨嵴。MRI信号表现不一,增强扫描呈明显均匀强化。结论 SPB的影像表现具有一定的特征性,仔细分析其影像学征象可提高诊断的准确性。
Objective To analyze the imaging manifestations of solitary plasmacytoma (SPB) and to improve its understanding and diagnosis. Methods Retrospective analysis of 15 cases of SPB patients confirmed by surgery and pathology imaging signs. Results The tumors were located in 7 cases of spine, 2 cases of long bones, 5 cases of flat bones and 1 case of slope. X-ray and CT in 15 cases showed single expansion, osteolytic bone destruction, clear boundary, no periosteal reaction. In 10 cases, soft tissue mass was formed. In 5 cases, soft tissue was filled in the damaged area, pathological fracture occurred in 1 case, and residual bone ridge was seen in 9 cases. MRI signal performance varies, enhanced scan was significantly enhanced. Conclusion SPB imaging has certain characteristics, careful analysis of its imaging signs can improve the diagnostic accuracy.