摘要
目的:分析胎儿颌面颈部先天性囊性肿块的MRI特点,提高产前胎儿影像诊断水平。方法:回顾性分析16例胎儿颌面颈部囊性肿块的MRI表现,并与产后手术病理或尸检结果对照。结果:12例淋巴管畸形多表现为多房状,多数分布于颈后部,呈蔓延性生长,可跨中线,合并出血时囊内可见出血信号及液液平面。3例鳃裂囊肿均呈单囊,分布于颈前胸锁乳突肌前方,T1WI呈低或稍低信号。1例鞍区的脑膜膨出疝入口腔内形成一巨大囊肿,与脑脊液信号一致。结论:MRI可以清晰显示胎儿颌面颈部先天性囊性肿块的轮廓、部位、形态、信号特点,有助于不同囊性肿块的鉴别。MRI还能很好地显示气道有无压迫,为产时胎儿宫外处理提供更多信息。
Objective：To analyze the MRI features of congenital cystic masses in maxillofacial and neck region in fetu-ses,in order to improve prenatal imaging diagnostic level.Methods：MR images of 16 cases with congenital cystic masses in maxillofacial and neck region in fetuses were analyzed retrospectively,and were correlated with pathology or autopsy post-natally.Results：12 cases of lymphangioma predominantly presented as multilocular masses,centered in the posterior space of the neck,invasive,and could across the midline.Bleeding signals and fluid-fluid levels could be seen when there was intra-cystic hemorrhage.3 cases of branchial cleft cysts presented as unilocular masses,located in the neck anterior to sternoclei-domastoid,and could had low or slightly low signals on T1 WI.One case of cranial meningocele from sella area protruded to the oral cavity had equal signals with the cerebrospinal fluid.Conclusion：Prenatal MRI could display outline,locations, shapes and signal features of masses,which is helpful for the differentiation of different congenital cystic masses in maxillo-facial and neck region in fetuses.Moreover,MRI can reveal whether there is compression on the airway,which can provide more information for ex-utero intrapartum treatment.
出处
《放射学实践》
2014年第11期1259-1262,共4页
Radiologic Practice
关键词
磁共振成像
胎儿
产前诊断
先天性囊性肿物
头颈部肿瘤
Magnetic resonance imaging
Fetus
Prenatal diagnosis
Congenital cystic mass
Head and neck neo-plasms
