Neoplasia 1 Flashcards
Define cancer
Cancer is a group of diseases characterized by uncontrolled cell division leading to growth of abnormal tissue.
How can a cancer occur
Results from the accumulation of manygenetic alterations that disrupt the function of many different genes.
How many types of caners are there
> 200
Why might have the rate of cancer dropped
Strategic initiates such as PSA tests
Anti smoking campaigns.
What factors can cause cancer
Genetics Stress Inflammation Obesity Drugs Toxicity Envirpuemnt Smoking Nutritional defences Poor diet Weakened immunity Type 2 Diabetes
What are the intrinsic factors
Random errors in DNA replication which in unmodifiable
What are non intrinsic facts split into and define them
Endogenous factors biological ageing Genetic susceptibility Hormones Which is partially modifiable
Exogenous factors Radiation Chemicals Bad lifestyles Which is all modifiable
What is a carcinogen
A carcinogen is any substance, radionuclide, or radiation that promotes carcinogenesis, the formation of cancer (carcinogenesis). This may be due to the ability to damage the genome or to the disruption of cellular metabolic processes.
