Yeole B B
Bombay Cancer Registry, Indian Cancer Society, Parel, Bombay, India.
Indian J Cancer. 1998 Jun;35(2):57-64.
In this paper an attempt has been made to present a descriptive epidemiology of thyroid cancer in Bombay, and it is discussed in relation to age, demographic and socio economic composition of the population, using the most recent five year date. Time trend analysis of this cancer by sex has also been discussed using the last 30 years data. When international incidence of thyroid cancer was ranked in descending order for various countries, the incidence recorded for Bombay was found to be at the lowest level in both the sexes. Thyroid cancer is about three times more frequent among women than men, but this relative excess varies with the histologic type and age. As in the case of the majority of cancers, the incidence curve for thyroid cancer rises with age. However in men, the increase continues consistently with advancing age, while in women it begins to level off after the age 30, leading to an almost equal sex ratio in old age. In Bombay the incidence of thyroid cancer in men was found to be the highest in Muslims and in Christian women. No association was observed between thyroid cancer and education level attained by these patients. The four main histologic types of thyroid cancers i.e. papillary, follicular, anaplastic and medullary are also observed in Bombay. It has been noted that there is an increasing trend in the age-adjusted incidence rate for thyroid cancer in both the sexes in Bombay in the period under review 1964 to 1993. But the increase in incidence was found to be statistically significant only in males.
本文尝试对孟买甲状腺癌进行描述性流行病学分析，并结合年龄、人口的人口统计学和社会经济构成，利用最近五年的数据进行讨论。还利用过去30年的数据对该癌症按性别进行了时间趋势分析。当对各国甲状腺癌的国际发病率按降序排列时，发现孟买记录的发病率在两性中均处于最低水平。甲状腺癌在女性中的发病率约为男性的三倍，但这种相对差异因组织学类型和年龄而异。与大多数癌症一样，甲状腺癌的发病率曲线随年龄增长而上升。然而，在男性中，发病率随着年龄的增长持续上升，而在女性中，30岁以后开始趋于平稳，导致老年时性别比例几乎相等。在孟买，发现男性甲状腺癌发病率在穆斯林中最高，女性在基督教徒中最高。未观察到甲状腺癌与这些患者的受教育程度之间存在关联。孟买也观察到甲状腺癌的四种主要组织学类型，即乳头状、滤泡状、未分化型和髓样。值得注意的是，在1964年至1993年的审查期间，孟买两性甲状腺癌的年龄调整发病率均呈上升趋势。但发病率的增加仅在男性中具有统计学意义。
