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长骨内生软骨瘤的影像诊断 被引量:3

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摘要 目的探讨长骨内生软骨瘤的影像特点及病理基础。方法回顾性分析30例经手术或穿刺病理证实长骨内生软骨瘤的X线、CT、MR表现,并与病理对照。结果 30例病灶均为单发,股骨21例,胫骨3例,肱骨3例,腓骨2例,桡骨1例;骨端4例,干骺端10例,骨干16例。X线平片30例,表现为囊状骨质破坏,形态不一的钙化灶(28/30)。CT 26例,病灶内均出现不同程度钙化。MRI 22例,T1WI呈低等信号(16/22)、混杂信号(6/22),T2WI呈高信号(8/22)、混杂信号(14/22),8例DESS序列呈明显高信号,病灶边缘呈分叶状(16/22);肿瘤呈中心强化(3/15)、边缘强化(12/15);侵蚀骨内膜(5/15)。结论长骨内生软骨瘤呈非浸润性生长,具有软骨MRI信号,分叶状或花环状边缘,有轻微骨膨胀和骨内膜侵蚀。影像学检查有助于与高分化软骨肉瘤鉴别。
出处 《广东医学》 CAS CSCD 北大核心 2014年第11期1688-1690,共3页 Guangdong Medical Journal
基金 广东省佛山市卫生局医学科研立项课题(编号:2013126)
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