Multifractal spectrum of chorionic villi: a novel approach.

Analytical and quantitative cytology and histology Pub Date : 2011-08-01

Pranab Dey

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Abstract

Objective: To measure the multifractal dimension in histopathology sections of chorionic villi to study its role to distinguish between normal chorionic villi and hydatidiform mole.

Study design: Multifractal spectrum was measured in 10 each cases of normal chorionic villi and hydatidiform mole. The values of alpha max and alpha min and their difference Delta alpha (alpha max--alpha min) were recorded in each case. The data for these groups were compared.

Results: The mean +/- SD of alpha max, alpha min, and Delta alpha (alpha max--alpha min) of normal chorionic villi were 2.6335 +/- 0.16109, 1.6975 +/- 0.04435, and 0.9360 +/- 0.12725, respectively. Whereas the mean +/- SD of alpha max, alpha min, and Delta of hydatidiform moles were 2.3196 +/- 0.11937, 1.6209 +/- 0.06208, and 0.7000 +/- 0.08350, respectively. The mean alpha max, alpha min, and Delta alpha of normal chorionic villi were much higher than for hydatidiform mole. Independent sample t-test shows significant difference (p < 0.001) in alpha max, alpha min, and Delta alpha of normal chorionic villi and hydatidiform mole.

Conclusion: Multifractal dimension was significantly different in normal chorionic villi and hydatidiform mole.

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绒毛膜绒毛的多重分形谱:一种新方法。

目的:测定绒毛膜绒毛组织病理切片的多重分形维数，探讨其在区分正常绒毛膜绒毛与葡萄胎中的作用。研究设计:分别对10例正常绒毛膜绒毛和葡萄胎进行多重分形谱测量。记录每个病例的alpha max和alpha min的值及其差值Delta alpha (alpha max- alpha min)。比较两组的数据。结果:正常绒毛alpha max、alpha min和Delta alpha (alpha max—alpha min)的平均+/- SD分别为2.6335 +/- 0.16109、1.6975 +/- 0.04435和0.9360 +/- 0.12725。而包体鼹鼠α max、α min和δ的平均+/- SD分别为2.3196 +/- 0.11937、1.6209 +/- 0.06208和0.7000 +/- 0.08350。正常绒毛膜绒毛的平均α max、α min和δ α明显高于葡萄胎。独立样本t检验显示，正常绒毛膜绒毛与葡萄胎的α max、α min、δ α差异有统计学意义(p < 0.001)。结论:正常绒毛膜绒毛与葡萄胎的多重分形维数存在显著差异。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Analytical and quantitative cytology and histology

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