Neoplasia

Question 1

What is neoplasia?

Answer 1

the process of tumor formation

Question 2

What is Neoplasm?

Answer 2

“new growth”

-composed of cell originally derived from normal tissues that have undergone heritable genetic changes that allows them to become unresponsive to normal growth controls and expand beyond their normal anatomic boundary

Question 3

What is oncology?

Answer 3

study of tumors or neoplasms

Question 4

What are the 2 components of neoplasm?

Answer 4

1. Parenchyma

2. Stroma

Question 5

What characteristics are seen with stroma?

Answer 5

• connective tissue and blood vessels that support the neoplastic cells
• Desmoplasia -the formation and developement of collagen-rich fibrous connective tissue stroma

Question 6

Give an example of desmoplasia

Answer 6

Scirrhous carcinomas = stony hard consistency

Question 7

What are 3 pre-neoplastic changes? (these changes can happen and become neoplastic but not absolute every time)

Answer 7

1. Hyperplasia
2. Metaplasia
3. Dysplasia

Question 8

T/F - It is better to have intraductal carcinoma in situ than an Invasive ductal cancer.

What are the differences?

Answer 8

T

in situ means it is confined to within the cell but invasive ductal means it is spreading and not protected by the cell anymore