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13 Cards in this Set

  • Front
  • Back
NEOPLASIA MEANS
CELLS GROW UNREGULATED
GROW W/O SIGNAL THAT THEY ARE NEEDED
IGNORES SIGNAL TO STOP
DON'T DIE
DO NOT MATURE NORMALLY
PROTO-ONONGENES
ANYTHING INVOLVED IN THE REGULATION OF CELL DIVISION WHICH IS NORMAL
ONCOGENES
MUTATED PROTO-ONCOGENES
TO STOP A CELL FROM DIVIDING YOU CAN DO
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
CANCER CAN BE INTRACELLULAR OR EXTRACELLULAR
THAT IS WHY EXTRACELLULAR TX DOESN'T ALWAYS WORK
DIFFERENTIATED CELLS TYPICALLY PRODUCE
BENIGN TUMORS
UNDIFFERENTIATED RAPIDLY DIVIDING CELLS PRODUCE
MALIGNANT TUMORS
BENIGN TUMORS
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
MALIGNANT TUMORS
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
METASTASIS
GENERALLY OCCURS IN LOW FLOW BLOOD AREAS, BONES, BRAIN, LUNGS LIVER
LOCAL EFFECTS OF TUMOR GROWTH INCLUDE
1.BLEEDING - ANGIOGENESIS (MAKE NEW BLOOD VESSELS)
2. COMPRESS LYMPH VESSELS
3.COMPRESSION OF HOLLOW ORGANS
4. COMPRESSION OF NERVES
MANIFESTATIONS OF CA
1. CHANGES IN ORGAN FUNCTION
2.LOCAL EFFECTS OF TUMORS
3.ECTOPIC HORMONES SECRETED BY TUMOR CELL
4.TISSUE BREAKDOWN - PROTEIN WASTING, BONE BREAKDOWN
EFFECTS OF CA
WEIGHT LOSS
MUSCLE WASTING
WEAKNESS
ANOREXIA
ANEMIA