形态学参数在鉴别良性/反应性尿路上皮细胞与低级别尿路上皮癌中的重要性:尿液标本的计算机辅助研究

J. Musayev, N. Metilli, R. Sholan, A. Hasanov, A. Damirli, K. Bakhshaliyeva
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引用次数: 0

摘要

背景。尿细胞学被认为是检测高级别尿路上皮癌的灵敏方法。相比之下,尿细胞学很难发现低级别尿路上皮癌(LGUC)并与反应性病变鉴别。目标。我们的研究旨在通过尿液标本的细胞学检查,确定形态计量学参数在鉴别反应性尿路上皮细胞和LGUC中的有效性。方法。研究使用空尿样本,病例随机分为两组:诊断为LGUC的患者(第一组;N=10)和未诊断为LGUC的患者(第二组;N = 10)。采用ScopeImage®9.0软件对每例100个尿路上皮细胞进行大核直径(MaND)、小核直径(MiND)、平均核面积(MNA)、细胞直径(CD)、平均细胞面积(MCA)以及MaND/CD、MiND/CD、MiND/MaND和MNA/MCA比值的形态计量学参数测定。结果。各组MiND/CD均值(p=0.017)和MNA/MCA均值(p=0.002)比较,差异有统计学意义。第一组两个参数的平均值在0.2以上,第二组在0.2以下。结论。LGUC患者尿路上皮细胞中MiND/CD和MNA/MCA的比值明显高于良性/反应性病例。这些结果在鉴别LGUC与良性/反应性病变方面的可靠性需要通过大量病例的研究来验证。这些参数可以通过一种特殊的软件进行更快的评估,从而实现自动测量,因此可以用于常规细胞学检查。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The importance of morphometric parameters in differentiating benign/reactive urothelial cells from low-grade urothelial carcinoma: computer-assisted study on urine specimens
Background. Urine cytology is deemed a sensitive method in detection of high-grade urothelial carcinoma. In contrast, detection of low-grade urothelial carcinoma (LGUC) and its differentiation from reactive lesions is difficult with urinary cytology. Objective. Our study aims to determine the effectiveness of morphometric parameters in differentiating reactive urothelial cells from LGUC by cytological examination of urine specimens. Methods. Voided urine samples were used for the study, while the cases were randomized into two groups: those diagnosed with LGUC (first group; N=10) and those which were not diagnosed with LGUC (second group; N=10). The morphometric parameters of major nuclear diameter (MaND), minor nuclear diameter (MiND), mean nuclear area (MNA), cell diameter (CD), mean cell area (MCA), as well as MaND/CD, MiND/CD, MiND/MaND and MNA/MCA ratios were measured on 100 urothelial cells for each case through ScopeImage® 9.0 software. Results. A statistically significant difference was found between the mean values of MiND/CD (p=0.017) and MNA/MCA (p=0.002) ratios of groups. The mean value of both parameters in the first group constituted 0.2 and higher, and below 0.2 in the second group. Conclusion. The ratios of MiND/CD and MNA/MCA in urothelial cells proved significantly higher in patients with LGUC than benign/reactive cases. The reliability of these findings in differentiating LGUC from benign/reactive lesions needs to be verified through studies examining a large number of cases. These parameters can be assessed much faster through a special software enabling an automatic measurement and thus can be used in routine cytological examination.
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