【摘要】 1975—1987年恶性肿瘤统计资料表明,苍梧县鼻咽癌死亡,占各种恶性肿瘤死亡的21.9％,居第二位。十三年来,鼻咽癌的发病和死亡率不仅高且相对稳定,虽有波动,但无明显升降趋势。发病率波动在10.40—14.72/10万之间,提示苍梧县的地理环境中,可能存在某些较强且恒定的致癌物质,有待进一步探索。更多还原

【Abstract】 The statistical analysis of the Maliganat tumors between 1975-1987 showed that NPC mortality rate was 21.9%, highest among all tumors death in Cangwu county. The incidence and mortality of NPC has been high but relatively stable in the period of 13 years. It’s fluctuation was 10.40-14.72/100000 Dopulations. Consequently, authors suggested that there may be certain inherent carcinogenic substances in geographical environment in Cangwu.更多还原