头颈部木村病MRI诊断  

Magnetic resonance imaging diagnosis of Kimura's disease in head and neck

作　　者：许跃根[1] 詹阿来[1] 

机构地区：[1]福建医科大学附属漳州市医院影像科,363000

出　　处：《安徽医学》2015年第3期334-336,337,共4页Anhui Medical Journal

摘　　要：目的探讨头颈部木村病的MRI表现,提高对该病的认识。方法回顾分析经病理证实的8例头颈部木村病患者的MRI表现。结果 8例木村病患者中,共发现13个病灶,6例为单侧病灶,2例为双侧病灶。腮腺和(或)腮腺周边组织是最常见的好发部位,共有7例8个病灶。12个病灶边界欠清。对比临近肌肉信号,病灶在T1WI上为等、稍高信号,在T2WI上为高信号,大部分病灶中等至明显强化。7个病灶中STIR与T1WI增强图像上见有管状流空信号。7例患者见相关区域淋巴结增大,常累及双侧。结论腮腺内和(或)腮腺周边组织的边界欠清、明显强化的多形性肿块并伴有相关区域淋巴结肿大为头颈部木村病的MRI特征,结合临床与实验室检查,可提高木村病的诊断准确率。Objective To investigate MRI findings of Kimura’s disease in head and neck in order to improve the recognition of the disease. Methods The MRI findings of 8 cases pathologically proved Kimura’s disease in head and neck were analyzed retrospectively. Results In these 8 patients,MR images demonstrated a total of 13 non-nodal lesions in the head and neck. The lesions were unilateral in 6 patients and bilateral in 2 patients. The parotid and / or periparotid area were the most frequent location,with 8 lesions in 7 patients. The margin of the lesions was ill-defined in 12 lesions. Compared with the adjacent muscle,the MR signal intensity of all lesions was iso- to slightly hyper-intense on T1-weighted images and hyperintension on T2-weighted images. Most of the lesions demonstrated moderate to marked enhancement on postcontrast MR images. MR images also showed tubular flow void in 7 lesions. Associated lymphadenopathy was demonstrated in 7patients,which was usually bilateral. Conclusion Multiple ill-defined enhancing masses within and / or around the parotid gland with associated regional lymphadenopathy are characteristic MR imaging findings of Kimura’s disease in the head and neck,and its diagnostic accurate rate can be improved combined with the clinical manifestation and laboratory examination.

关 键 词：腮腺 木村病 磁共振成像 

分 类 号：R445.2[医药卫生—影像医学与核医学] R551.2[医药卫生—诊断学]