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目的探讨肾脏复杂囊性病灶内钙化是否可以作为鉴别良恶性的诊断依据。方法搜集经手术病理证实的肾脏复杂囊性病灶100例,分析良恶性病灶内钙化的存在是否有差异,然后对所有的钙化病灶进行分类,观察不同的钙化分类及所在位置是否影响良恶性的鉴别。结果 37例良性病灶,其中27例存在钙化;63例恶性病灶中,18例存在钙化。钙化发生率经统计学分析差异有统计学意义(χ2=18.568,P<0.05)。在所有良性钙化病灶中,Ⅰ类钙化8例,Ⅱ类10例,Ⅲ类9例;恶性病灶中,Ⅰ类钙化7例,Ⅱ类4例,Ⅲ类7例,差异无统计学意义(χ2=1.133,P=0.567)。良性钙化分布在实质侧11例,被膜侧16例;恶性钙化实质侧13例,被膜侧5例,差异有统计学意义(χ2=4.301,P<0.05)。结论良性肾脏复杂囊性病灶内易出现钙化,但钙化病灶的数量及形态在良恶性病灶中无差异,而钙化所在的位置可以作为鉴别诊断的依据。
Objective To investigate whether calcification of complex cystic lesions in the kidney can be used as a basis for diagnosis of benign and malignant diseases. Methods 100 cases of complicated cystic lesions of the kidney confirmed by surgery and pathology were collected and analyzed for the presence or absence of calcification in benign and malignant lesions. All the calcified lesions were classified, and the different calcifications and their location were analyzed to determine whether benign or malignant . Results 37 cases of benign lesions, of which 27 cases of calcification; 63 cases of malignant lesions, 18 cases of calcification. The incidence of calcification was statistically significant difference (χ2 = 18.568, P <0.05). Among all the benign calcification lesions, there were 8 cases of type Ⅰ calcification, 10 cases of type Ⅱ and 9 cases of type Ⅲ. Among malignant lesions, there were 7 cases of type Ⅰ calcification, 4 cases of type Ⅱ and 7 cases of type Ⅲ, the difference was not statistically significant (χ2 = 1.133, P = 0.567). There were 11 cases of benign calcification in the parenchyma side, 16 cases in the capsule side, 13 cases in the malignant calcified parenchyma side and 5 cases in the capsule side. The difference was statistically significant (χ2 = 4.301, P <0.05). Conclusions The benign renal complex cystic lesions are prone to calcification, but the number and morphology of calcified lesions are not different in benign and malignant lesions, and the location of calcification can be used as the basis for differential diagnosis.