广西扶绥县饮用水塘底质污染与肝癌死亡率关系的初步分析

PRELIMINARY ANALYSIS OF THE RELATION OF POND SILT POLLUTION TO LIVER CANCER MORTALITY IN FUSUI COUNTY, GUANGXI

本文研究了饮用水塘底质污染与居民肝癌死亡率的关系,实验结果表明,肝癌高发区水塘底质中存在致染色体畸变物质,这类物质所诱发的紫露草微核率在各采样点的变化趋势与居民11年的肝癌死亡率变化趋势相一致,从而为肝癌的饮水病因理论提供了实验依据。

Determination of the pond silt is very important for study of water pollution.In this paper the relation of pond silt pollution to mortality of liver cancer was studied. The experimental results indicated that the matters which induce distortion of chromosome are present in pond silt in the areas of high liver cancer incidence.The tendency of Tradescantia micronucleus frequency induced by these matters in sampling regions agrees with that of 11 years liver cancers mortality of residents that provided experimental evidence for the theory on liver cancer caused by drinking water.