螺旋CT评价原发性颌面部成釉细胞瘤的价值
发布时间:2018-02-26 22:08
本文关键词: 成釉细胞瘤 体层摄影术 X线计算机 病理学 出处:《放射学实践》2017年11期 论文类型:期刊论文
【摘要】:目的:评估64排螺旋CT对原发性颌面部成釉细胞瘤的诊断价值。方法:对112例经手术病理证实的原发性颌面部成釉细胞瘤的术前CT图像进行回顾性分析。病理类型包括实体/多囊型70例、单囊型35例、促结缔组织增生型6例和骨外/外周型1例。测量肿瘤增强前后兴趣区(ROI)的CT值,研究该肿瘤的螺旋CT强化特征。结果:本组原发性颌面部成釉细胞瘤中囊性、囊实性、实性者分别为50、52、10例,分别占44.64%,46.43%,8.93%。多房状75例(66.96%)。增强后囊壁、间隔和实性部分强化,可见壁结节样强化,其中28例(84.85%)肿瘤强化程度达50%以上。111例骨内肿瘤中97例边缘有硬化线(87.39%),105例有明显骨质膨隆(94.59%),104例骨皮质变薄或破坏、中断(93.69%)。105例肿瘤与邻牙有密切关系(93.75%)。结论:螺旋CT可清晰显示原发性颌面部成釉细胞瘤的影像学特征,为指导临床治疗提供更多信息。
[Abstract]:Objective: to evaluate the value of 64-slice spiral CT in the diagnosis of primary maxillofacial ameloblastoma. Methods: the preoperative CT images of 112 cases of primary maxillofacial ameloblastoma proved by surgery and pathology were retrospectively analyzed. Type A includes 70 cases of solid / polycystic type, 35 cases of single cyst type, 6 cases of connective tissue hyperplasia type and 1 case of extraosseous / peripheral type. The CT value of ROI before and after enhancement was measured, and the spiral CT enhancement characteristics of the tumor were studied. Results: the cystic of primary maxillofacial ameloblastoma was found. There were 10 cases (44.64 / 46.43) of cysts and solid, respectively. There were 75 cases of multilocularis, including 66.96%. The posterior wall was enhanced, the septum and solid were partly enhanced, and the wall was nodular enhancement. The enhancement degree of the tumor was more than 50%. In 97 cases of intraosseous tumor, there were 87.39 sclerosing lines on the margin of 97 cases. There were 105 cases with obvious bony bulge and 94.59% bone cortex thinning or destruction. Conclusion: spiral CT can clearly display the imaging features of primary maxillofacial ameloblastoma and provide more information for clinical treatment.
【作者单位】: 上海交通大学医学院附属第九人民医院放射科;
【分类号】:R730.44;R739.8
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