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目的探讨多房囊性肾细胞瘤(multilocular cystic nephroma,MCN)的CT表现,提高对该病影像学表现及其病理基础的认识。方法收集5例经手术病理证实的MCN患者及其CT资料,分析其影像学表现及病理特点。结果左肾3例,右肾2例。CT表现:病灶均由多个囊腔和分隔构成,5例患者CT增强显示囊内分隔及囊壁均较清楚,囊壁规则光整,其中1例增强显示囊内分隔不规则增厚模糊,强化明显,提示有恶性潜在倾向。结论MCN是肾脏少见的良性囊性病变。CT能准确显示病变的形态学特征,但和多房囊性肾癌等其他肾脏囊性病变的鉴别上存在一定困难。
Objective To investigate the CT findings of multilocular cystic nephroma (MCN) and to improve the understanding of the imaging findings and pathology of the disease. Methods 5 cases of pathologically confirmed MCN and CT data were collected and analyzed for imaging findings and pathological features. Results 3 cases of left kidney and 2 cases of right kidney. CT findings: the lesions are composed of multiple cysts and compartments, CT enhancement in 5 patients showed cystic separation and cyst wall are more clear, the rules of the wall smoothing, of which 1 case showed enhanced intracapsular irregular thickening fuzzy, Clearly obvious, suggesting a potential malignant tendency. Conclusion MCN is a rare benign cystic kidney disease. CT can accurately show the morphological features of the lesion, but there are some difficulties with the identification of other renal cystic lesions such as polycystic kidney disease.