Notes for Final

Notes for Final - Notes from 11-23-09 What is cancer?-...

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Unformatted text preview: Notes from 11-23-09 What is cancer?- Cells divide uncontrollably and spreads abnormal cells- Can be caused by DNA - 2 nd most common disease Aspects of cancer- Benign tumors-noncancerous- Malignant tumors-cancerous Biopsy- surgically removes cells to diagnose them Carcinogen- external cancer-causing agent Oncogenes- genes that may play a role in causing cancer Metastasis- spread of cancer Tumors need oxygen to grow Cancer treatments try to stop the growth of tumors Most prevalent type of cancer in males is prostrate; in females it is breast cancer Lung cancer is the most common cause of cancer death in America. Four classes of cancer 1. Carcinomas- covers body surface 2. Sarcomas 3. Lymphomas- non-Hodgkins and Hodgkins in lymph system 4. Leukemias Oncologists- caner spets Smoking causes 30% of cancer deaths Obesity, inactivity, and larger BMI increases the risk of cancer ABCD of cancer A symmetrical B order C olor D iameter >6mm Lung cancer- Only 15% of patients survive more than 5 years from diagnosis Breast cancer- Caused by presence of two oncogenes BRCA 1 and BRCA 2 Female reproductive tract cancers- Ovarian, uterine, cervical cancer - Linked to HPV Male reproductive cancers- Prostate- after age 40-50, check-ups are necessary; caused by excess DHT hormone- Genetics play role in testicular cancer Pancreatic cancer- More common now- Usually fatal if diagnosed Leukemia- More common for children, but can be found in adults- Looks like flu CAUTION of cancer C hange in bowel or bladder habits A sore that does not heal U nusual bleeding or discharge T hickening in breast or anywhere I ndigestion problems and trouble swallowing O bvious change in mole N agging cough Treatment options- Radiation- stop cell growth entirely; also kills healthy cells- Chemotherapy- uses intravenous drugs- Immunotherapies Notes from 11-30-09 What is addiction and what are its effects?...
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This note was uploaded on 02/05/2011 for the course KIN 2504 taught by Professor Stone during the Spring '08 term at LSU.

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Notes for Final - Notes from 11-23-09 What is cancer?-...

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