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The image features of multilocular cystic nephroma
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- Author:
- No author available
- Journal Title:
- CHINESE JOURNAL OF RADIOLOGY
- Issue:
- 8
- DOI:
- 10.3760/j.issn:1005-1201.2004.08.007
- Key Word:
- 肾,囊性;肾肿瘤;体层摄影术,X线计算机;磁共振成像
Abstract： 目的探讨多房囊性肾瘤的影像学特征及相关的多房囊性病变的鉴别诊断.方法回顾性分析8例经手术病理证实的多房囊性肾瘤的CT和MRI资料.结果8例多房囊性肾瘤均为单侧,直径从2.5～7.5 cm不等.CT或MR扫描显示有完整囊壁,内由多个小囊腔和分隔构成,其中2例囊内分隔显示清晰,4例显示尚清晰,另2例显示不清,边缘模糊.所有囊腔间无交通,囊壁和囊内分隔有不同程度的强化,但均未见实质性结节.4例MR扫描在T1WI上呈低信号,T2WI为高信号,延迟增强扫描囊壁和囊内分隔显示较同步的CT扫描清晰.组织病理学显示所有病例的包膜和分隔内衬扁平或立方上皮.结论多房囊性肾瘤是肾脏的少见病变,CT和MRI能准确地显示病灶的形态学特征,并提供相应的诊断依据,但在和多房囊性肾癌等病变鉴别时仍有一定的难度.
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