Chapter 8--Cancer Flashcards
What is a neoplasm?
Also called a tumour; a mass of tissue that serves no physiological purpose
Stages of tumour development are as follows: Hyperplasia
The cell divides too much than it should
Dysplasia
The cells take on a different shape
In situ cancer
This type of cancer is diagnised whe the cancer is found in the location it was first formed
LOcalized invasive tumour
Spread to nearby tissues but has not spread beyond the boundaries of organ of origin
Metastasis
The tumour spreads suchthat ir can shed malignant cells into a blood vessel or the lymphatic vessel, the cells can travel to distant sites and create new tumours
Secondary tumours are also known as_____
metastates
The cancer is typically small and hasn’t spread outside the origin. This is characteristic of what stage if cancer?
Stage 1
The cancer has spread to a distant site in the body through blood vessels and the lymphatic system. What stage of cancer?
Stage 4
The tumour has spread to nearby tissues outside the organ it started in. What stage of cancer?
Stage 2 and 3
Cancers arising from bone, cartilage and striated muscle are known as___________-
Sacromas
What percentage of females have breast cancer?
25%
What percentage of males have prostate cancer?
20.3%
What percentage of females have ovarian cancer?
2.7%
__________percent of cancers diagnised is lung cancers
13
The chief risk factor for lung cancer is –____________
Tobacco smoke
The third most common cancer among both men and women is ________________
colon and rectal cancer
Three risk factors for colon and rectal cancers include
- age
- lifestyle
- genetics