Radiation Oncology Chulolongkorn University
Etiology of Colorectal Cancer
ÊÒà˵آͧ¡ÒÃà¡Ô´ÁÐàÃç§ÅÓäÊéãËè¹Ñé¹ÂѧäÁè·ÃÒºá¹èªÑ´ 㹻Ѩ¨ØºÑ¹¹ÕéÁÕËÅÑ¡°Ò¹áÅТéÍÁÙÅ·Ò§¡ÒÃá¾·Âì·ÕèªÕéºè§ÇèÒÁÐàÃç§ÅÓäÊéãËèà¡Ô´¨Ò¡¤ÇÒÁ¼Ô´»¡µÔ·Ò§¾Ñ¹¸Ø¡ÃÃÁ â´Â·ÕèÍÒ¨à»ç¹ÁÒµÑé§áµè¡Óà¹Ô´ (Genetic/Familial) ËÃ×Íà¡Ô´¨Ò¡ÊÔè§áÇ´ÅéÍÁ (Environmental Factors) ÃÇÁ·Ñ駨ҡâäºÒ§ÍÂèÒ§¢Í§ÅÓäÊéãËè ä´éá¡è Inflammatory Bowel Diseases(1,5)
Etiology of Colorectal Cancer
1. Genetic/Familial Factors
1.1 Familial Adenomatous Polyposis Syndrome
1.2 Gardner’s Syndrome
1.3 Oldfield’s Syndrome
1.4 Turcot’s Syndrome
1.5 Peutz-Jeghers Syndrome
1.6 Juvenile Polyposis Syndrome
1.7 Hereditary Nonpolyposis Colorectal Syndrome (Lynch I)
1.8 Hereditary Adenomatosis Syndrome (Lynch II)
1.9 Familial History of Colorectal Cancer
1.10 Heredictary Flat Adenoma Syndrome
2. Environmental Factors
2.1 Diets : Animal Fat and Meat
Low Dietary Fiber
2.2 Fecapentanes
2.3 3-Ketosteroids
2.4 Pyrolysis Products
2.5 Normal Bile Acids
2.6 Insufficient Dietary
2.7 Fecal pH
2.8 Pelvic Irradiation
2.9 Schistosomiasis
3. Miscellaneous
3.1 Inflammatory Bowel Disease
3.2 History of Colorectal Cancer
3.3 Ureterosigmoidostomy
3.4 Cholecystectomy
3.5 Polyps
Epidemiology |
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Spread of Colorectal Cancer |
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Last modified on 25 October 1996