Epithelial cancer definition, epidimiology and risk factors

Published on Nov 25th, 2011 under All.By andrew

Epithelial cancer

 

DEFINITION :

Epithelial cancer or in other words ( carcinoma ) is a malignancy that derive from that ectoderm and endoderm .

EPIDIMIOLOGY :

Carcinoma is the 2nd leading cause of death in the United states of America , accounting for about twenty percent of deaths compared to thirty eight percent from cardiac conditions , ten percent from cerebrovascular disease , and five percent from accidents of various types .

RISK FACTORS :

Four important factors said to increase the incidence of cancer are age , diet , environment and genetic makeup .

AGE : with the population increasing in age , carcinoma have more time to exert their effects ; additionally , the immunologic defenses of the elderly may be less effective than those of young .

DIET : Geographic differences in carcinoma rates partially reflect dietary differences . Alcoholic beverages affect carcinoma when they are consumed frequently and excessively over long periods .

ENVIROMENT : The environmental agents associated with a high incidence of cancer include radiation and chemical pollution . Industrialization and development , along with the conquest of infection and malnutrition , bring an increase in carcinoma incidence .

GENETIC MAKEUP : In some families predisposition to cancer appears to be hereditary . Non hereditary chromosomal abnormalities also increase the risk of certain cancers .

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