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软骨母细胞瘤影像学表现及诊断价值 被引量:7

Imaging features of chondroblastoma and its diagnosis value
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摘要 目的探讨软骨母细胞瘤的影像学特征及诊断价值。方法分析17例经手术病理或穿刺活检证实的软骨母细胞瘤影像学资料,总结其X线平片、CT和MRI表现。结果肱骨5例,股骨9例,胫骨3例;病灶呈类圆形分叶状骨质破坏区,部分呈膨胀、偏心性生长;病灶内常有钙化,周围可见硬化带,部分骨皮质断裂,少数有软组织肿块、骨膜反应。MRT1WI以低信号为主,T2WI上信号混杂,增强检查呈不均匀或较均匀强化,骨髓水肿、骨膜反应及软组织肿胀均可强化。结论软骨母细胞瘤影像学表现较有特征性,结合X线平片、CT和MRI能做出正确诊断。 objective To discuss the imaging features of radiography, CT and MRI of chondroblastomas, and to explore its diagnosis value. Methods The X-ray. CT and MRI findings of 17 cases with chondroblastomas proved by pathology were analyzed. Results The lesion Was located in humerus(n=5), femur(n=9), tibia(n=3). The chondroblastomas were presented with lobular-and-oval bony destruction in bone with peripheral sclerosis and Sclerotic border, interrupted cortex and soft-mass. Periosteal reaction was seen in afew cases.The chondroblastomas were hypointensity on T1WI, heterogenous intensity on T2WI. The lesions had asymmetric or relative homogeneous enhancement,and there were enhancement in areas of edema within bone marrow and adjacent soft tissue and perioSteal, reaction. Conclusion Chondroblastoma has characateristic imaging features. The correct diagnosis Can be made with MRI in combination with X-ray and CT.
出处 《中国CT和MRI杂志》 2009年第1期45-47,共3页 Chinese Journal of CT and MRI
关键词 骨肿瘤 软骨母细胞瘤 X线摄影 体层摄影术 X线计算机 核磁共振成像 bone neoplam chondroblastoma radiography tomography X-ray computed magnetic resonance imaging
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