Fudan University Shanghai cancer Center Etiology of Cancer Zhen hu m.d Department of Breast Surgery Fudan University Cancer Center Arrrr 复旦大学上海医学院肿瘤学糸
复旦大学上海医学院肿瘤学系 Fudan University Shanghai Cancer Center Etiology of Cancer Zhen Hu M.D. Department of Breast Surgery Fudan University Cancer Center
The estimated amount of cancer cases attributed to specific risk factors Risk Factors Cases(% Diet 35 Tobacco use 25~30 Hereditary factors 5~10 Occupational exposures 5 Radiation 2 Viruses 15 Miscellaneous 16~23 OffitK. 1998 Abeloff's Clinical Oncology, 2008
Risk Factors Cases (%) Diet 35 Tobacco use 25~30 Hereditary factors 5~10 Occupational exposures 5 Radiation 1~2 Viruses 15 Miscellaneous 16~23 The estimated amount of cancer cases attributed to specific risk factors Offit K, 1998 Abeloff‘s Clinical Oncology, 2008
Major modifiable and nonmodifiable cancer risk factors Nonmodifiable factors Modifiable factors Aging Tobacco use Ethnicity or race Alcohol use Hereditary Unhealthy diet Gender Obesity Chronic medical conditions Physical inactivity Chromosomal anomalies Infectious agents Ultraviolet radiation lonizing radiation Occupational exposures Environmental pollution Medical drugs Food contaminations Mackay et al, American Cancer Society, The Cancer Atlas, 2006
Nonmodifiable Factors Modifiable Factors Aging Tobacco use Ethnicity or race Alcohol use Hereditary Unhealthy diet Gender Obesity Chronic medical conditions Physical inactivity Chromosomal anomalies Infectious agents Ultraviolet radiation Ionizing radiation Occupational exposures Environmental pollution Medical drugs Food contaminations Major modifiable and nonmodifiable cancer risk factors Mackay et al, American Cancer Society, The Cancer Atlas, 2006
Etiology of Cancer Extrinsic factors Intrinsic facors Chemical carcinogens Hereditary factors . Chemotherapeutic Agents .Radiation Metal fibers and dust . Dietary .virus
Etiology of Cancer Extrinsic factors •Chemical carcinogens •Chemotherapeutic Agents •Radiation •Metal •Fibers and Dust •Dietary •Virus Intrinsic facors •Hereditary factors
Etiology of Cancer Extrinsic factors Intrinsic facors Chemical carcinogens Hereditary factors o Chemotherapeutic Agents .Radiation Metal Fibers and dust .Dietary evirus
Etiology of Cancer Extrinsic factors •Chemical carcinogens •Chemotherapeutic Agents •Radiation •Metal •Fibers and Dust •Dietary •Virus Intrinsic facors •Hereditary factors