Pathophysiology Neoplasm |
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1. Cancer Normal cells mutate into abnormal cells
Uncontrolled growth of abnormal tumor cells with no physiologic function
High mortality
Affects all systems
2. Highest death Lung Cancer
rate in both men
and women
3. Neoplasm Mass of abnormal cells
Grow independently of surrounding structures
Have no physiologic purpose
"tumor"
Grow at rate unrelated to needs of body
Do not benefit host and are usually harmful
4. Benign tumors Easily removed
Well defined borders
Does not spread
Grow slowly
Non life threatening
Can be destructive if crowd surrounding tissue
Resembles normal cells
5. Malignant Tu- Grow aggressively
mors Tissue around tumor become inflamed and necrotic as they grow
Mass get bigger and compress nearby blood vessels
Tumor cell have enzymes that break down protein which facilitate spread
If compressed cancer cells easily seperate
6. External Causal Chemicals
Factors of Cancer Radiation
Viruses
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