LOCAL INVASION

Question 1

this invasiveness indicates?

Answer 1

2nd most reliable way to determine malignancy

Question 2

these grow as a cohesive expansile mass?

Answer 2

benign neoplasms

Question 3

what are the general characteristics of benign neoplasms?

examples?

Answer 3

have a capsule

tend to grow as cohesive expansile masses

fibroadenoma of the breast
fibrous capsule

Question 4

malignant neoplasms are generally?

Answer 4

cancers

Question 5

demonstrate infiltrative growth w/ destruction of surrounding tissue and poorly demarcated?

examples?

Answer 5

malignant neoplasms

ductal carcinoma of breast
breast carcinoma

Question 6

what are the pathways of tumor spread?

Answer 6

seeding of body cavities
lymphatic spread
hematogenous spread
transplantation

Question 7

example of seeding of body cavities?

Answer 7

ovarian

Question 8

example of lymphatic spread?

Answer 8

breast, colon, testicular, lung

Question 9

example of hematogenous spread?

Answer 9

tumor emboli like in liver and lungs

Question 10

example of transplantation?

Answer 10

through blood or organ, very rare; i.e. getting a blood transfusion from someone with leukemia

Question 11

most common pathway for initial dissemination of carcinomas and sarcomas?

Answer 11

lymphatic spread