软组织韧带样纤维瘤的MRI表现  被引量:5

Imaging manifestations of soft tissue desmoid tumors

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作  者:张妮[1] 罗振东[1] 陈卫国[1] 赵静[1] 

机构地区:[1]南方医科大学附属南方医院放射科,广州广东510515

出  处:《医学影像学杂志》2010年第12期1888-189l,共4页Journal of Medical Imaging

摘  要:目的:探讨软组织韧带样纤维瘤的临床及MRI特点,旨在提高对本病的认识及诊断水平。方法:回顾性分析经病理证实的3例原发和4例复发软组织韧带样纤维瘤的临床和MRI资料。结果:发病年龄5~35岁,中位年龄13.3岁。发病部位:臀部4例,下肢1例,颈部1例,胸壁1例。MRI表现:T1WI与肌肉相比,呈均匀等信号4例,不均匀混杂等低信号3例;T2WI 7例均以高信号为主,其内可见斑点状低信号区域;增强扫描后病灶明显不均匀强化。结论:软组织韧带样纤维瘤的MRI表现具有一定的特征性,MRI检查能为肿瘤的定性及定位提供重要价值。Objective:To discuss the clinical and MR imaging features of soft tissue desmoid tumor(DT) in order to achieve more information about the disease and to improve the diagnosis.Methods:Clinical and MRI imaging data of 7 patients with 3 primary and 4 recurrent soft tissue desmoid tumors confirmed by pathology were retrospectively analyzed.Results:The age of the patients was from 5 to 35 years old,and the mean age was 13.3 years old.In 7 cases of DT,4 cases were located in gluteal region,1 in lower extremities,1 in neck,and 1 in chest wall.On T1-weighted images,4 tumors showed homogeneous signal isointensity relative to muscle,and the other 3 tumors displayed heterogeneous signal intensity;on T2-weighted images,7 cases showed hyperintensity.In all lesions,a cord-like or patch-like low signal could be found.All lesions showed heterogeneous enhancement.Conclusion:Desmoid tumor has its features in images of MRI,the MRI imaging can provide helpful information for the clinical diagnosis of desmoid tumor.

关 键 词:软组织韧带样纤维瘤 磁共振成像 

分 类 号:R8[医药卫生—临床医学] R445

 

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