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13 Cards in this Set
- Front
- Back
NEOPLASIA MEANS
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CELLS GROW UNREGULATED
GROW W/O SIGNAL THAT THEY ARE NEEDED IGNORES SIGNAL TO STOP DON'T DIE DO NOT MATURE NORMALLY |
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PROTO-ONONGENES
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ANYTHING INVOLVED IN THE REGULATION OF CELL DIVISION WHICH IS NORMAL
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ONCOGENES
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MUTATED PROTO-ONCOGENES
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TO STOP A CELL FROM DIVIDING YOU CAN DO
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1. GIVE A DRUG THAT STOPS OTHER CELLS FROM MAKING GROWTH FACTOR
2. GIVE A DRUG THAT BLOS THE GROWTH FACTOR RECEPTORS 3. GIVE A DRUG THAT INACTIVATES GROWTH FACTORS IN EXTRACELLULAR FLUID |
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CANCER CAN BE INTRACELLULAR OR EXTRACELLULAR
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THAT IS WHY EXTRACELLULAR TX DOESN'T ALWAYS WORK
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DIFFERENTIATED CELLS TYPICALLY PRODUCE
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BENIGN TUMORS
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UNDIFFERENTIATED RAPIDLY DIVIDING CELLS PRODUCE
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MALIGNANT TUMORS
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BENIGN TUMORS
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1. CONTAIN CELLS THAT LOOK NORMAL TISSUE
2. MAY LEAD TO OVERSECRETION OF HORMONES 3. ENCAPSULATED 4. GENERALLY DON'T INVADE NEIGHBORS 5. CAN CAUSE DMAGE NEARBY ORGANS BY COMPRESSING |
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MALIGNANT TUMORS
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1.CELLS DON'T LOOK LIKE NORMAL ADULT CELLS
2. RAPID DIVISION 3.INVADES NEIGHBORING TISSUE 4. SECRETES HORMONES ASSOCIATED WITH OTHER TISSUES 5.COMPRESS SURROUNDING TISSUE |
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METASTASIS
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GENERALLY OCCURS IN LOW FLOW BLOOD AREAS, BONES, BRAIN, LUNGS LIVER
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LOCAL EFFECTS OF TUMOR GROWTH INCLUDE
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1.BLEEDING - ANGIOGENESIS (MAKE NEW BLOOD VESSELS)
2. COMPRESS LYMPH VESSELS 3.COMPRESSION OF HOLLOW ORGANS 4. COMPRESSION OF NERVES |
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MANIFESTATIONS OF CA
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1. CHANGES IN ORGAN FUNCTION
2.LOCAL EFFECTS OF TUMORS 3.ECTOPIC HORMONES SECRETED BY TUMOR CELL 4.TISSUE BREAKDOWN - PROTEIN WASTING, BONE BREAKDOWN |
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EFFECTS OF CA
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WEIGHT LOSS
MUSCLE WASTING WEAKNESS ANOREXIA ANEMIA |