Rathke裂囊肿MR信号类型与鉴别诊断  

MR signal type and differential diagnosis of Rathke cleft cyst

作　　者：陈大龙 许康祥 张金坤 

机构地区：[1]解放军82医院影像科,江苏淮安223001

出　　处：《医疗卫生装备》2015年第2期84-86,共3页Chinese Medical Equipment Journal

摘　　要：目的 :探讨Rathke裂囊肿的MR信号类型与鉴别诊断之间的联系。方法 :回顾分析经手术病理证实的12例Rathke裂囊肿的MR表现类型。结果 :按Rathke裂囊肿MR信号强度可分为3种类型:(1)"双高"型1例(8%,1/12),即T1WI、T2WI均为高信号;(2)"高低"型3例(40%,3/12),即T1WI高信号、T2WI低信号;(3)"低高"型8例(58%,8/12),即T1WI低信号、T2WI高信号。增强扫描均未见囊壁强化。结论 :虽然Rathke裂囊肿的MR信号具有一定程度的多样性,但划分为"双高"、"高低"、"低高"3种基本类型,可能有助于MR鉴别诊断。Objective To investigate the relationship between MR signal type and differential diagnosis of Rathke cleft cyst（RCC）. Methods The MR signal type of 12 patients with RCCs confirmed by surgery-pathology were retrospectively analyzed. Results According to MR signal intensities of the patients, the MR signals could be divided into three types,including one case with hyperintensity on T1 WI and T2 WI, three cases with hyperintensity on T1 WI and hypointensity on T2 WI, and 8 cases with hypointensity on T1 WI and hyperintensity on T2 WI. Enhanced scanning showed no enhancement of the cyst wall. Conclusion The classification of MRI signals of RCCs may contribute to its differential diagnosis.

关 键 词：RATHKE裂囊肿 磁共振成像 信号类型 鉴别诊断 

分 类 号：R741[医药卫生—神经病学与精神病学] R445.2[医药卫生—临床医学]