PSY 605 Lecture Notes - Lecture 5: Melanoma, Metastasis, Prostate Cancer
30 May 2018
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• Cancer and Behavioural Oncology
• A Primer on Cancer
• What is cancer?
• Rapid reproduction of irregular cells forming a neoplasm (tumour)
• Results fro a dysfuctio i the cell’s DNA
• Tumour cells reproduce at different rates, doubling times ranging from 23 to 209 days.
• cancer are not like normal cells but there still your bodies cells
• These cells functions is just to divide viciously, almost working like a parasite
• So it is like it using your body as a food source
• The immune system doesn't always respond very quickly because it cant detect it because it
is your own cells
• Large individual cancer rates between individuals, cancer may manifest a lot quicker
whereas other people it may develop a lot slower
• Why is there no way to defeat cancer entirely?
• Research on cancer is usually done on mice before it is done on humans, but the only issue
is that mice are a lot more susceptible to cancer than humans are
• Another animal they can do research on is either monkeys or pigs, however with monkeys
they develop cancer at a lot slower rate
• 5 Types of Cancer
• Carcinomas
• Malignant neoplasms of the skin and organ cells. About 85% of all cancers.
• Sarcomas
• Malignant neoplasms of the muscle, bone or connective tissue
• Leukemias
• Cancers of the blood forming organs (e.g., bone marrow) leading to rapid
proliferation of white blood cells.
• Lymphomas
• Cancer of the lymphatic system
• Central nervous system cancer
• Cancers that develop in brain tissue or spinal cord
• Malignant tumor's are injurious; probably causing injury to health cells of the body
• Benign cancer- doesn’t actually cause injury to body
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