Cancer Chemotherapy Flashcards
What is cancer
group of more than 100 diseases that develop across time
Where can cancer develop
any body tissues
-categorized by organ origin or original cell type
What causes cancer development
-hereditary and environmental factors
-uncontrolled/rapid cell growth
-invasion to surrounding tissues
Metastasis
cancer spreading to other tissues or organs through the blood or lymphatic system
Benign Tumors
- Grow slow and distinct borders
- Don’t invade surrounding tissues
- Don’t invade other parts of the body
- non-invasive/non-metastatic/non-cancerous
Malignant Tumors
- Grow quickly and have irregular borders
- Often invade surrounding tissues
- Can spread to other body parts through metastasis
- Cancerous
Neoplasm
Mass of new cell, tumor
Tumor
group of rapidly dividing cells
Primary lesion
original site of growth
Metastasis
Secondary lesion, traveled to new remote part of the body
What does chemotherapy do
-Kill cancer cells
Chemotherapy affects cell division and growth not:
-loss of function
-invasiveness
-metastasis
Chemotherapy therapeutic index is
very narrow between toxic and therapeutic effect
Drugs working in combination
work better then single drug therapy
Cytotoxic drug groups
-Alkylating agents and platinum compounds
-Antimetabolite drugs
-Antitumor antibiotics