Neoplasia Flashcards Preview

Pathology > Neoplasia > Flashcards

Flashcards in Neoplasia Deck (19):
1

What is a Benign tumor

Tumors that have a limited growth potential

2

What is Malignant tumor

Tumors that grow uncontrollably and eventually can kill

3

What are the 3 features of a Benign tumor

Encapsulation

Expansile growth

Compress the normal surrounding tissue

4

What suffix describes a benign tumor with glandular tissue?

"Adenomas"

5

What are the key features of a malignant tumor

Invade surrounding tissue by infiltration

Hemorrhage

Necrosis

6

What does Metastasis mean?

Which tumors have this capability?

Process which cells move from one site to another in the body

Malignant tumors

7

What are the 3 main pathways of malignant cells?

Lymphatics (breast cancer)

Bloodstream

Direct extension of the primary tumor, usually by seeding of the surface of body cavities (Renal cell carcinoma seeding into the adrenal gland)

8

What does Oncology mean?

Study of cancer

9

What does the prefix Leio describe?

Smooth muscle

10

What is a malignant tumor of connective tissue origin called?

Give some examples

"Sarcoma"

Fibrosarcoma = Fibrous tissue

Liposarcoma

Osteosarcoma

11

What is the most common cancer of the kidneys within children?

Wilms tumor

12

What are malignant tumors of epithelial origin called?

Give some examples

"Carcinomas"

Oral Squamous Cell Carcinoma

Breast Carcinoma

Gastric Carcinoma

13

What are Malignant tumors composed of embryonic tissue called?

What are some examples

Blastomas

Retinoblastomas

Neuroblastomas

Medulloblastomas

14

What are examples of tumors that end with "oma" but are not considered benign?

Lymphomas

Melanomas

Astrocytomas (cancer of astrocytes in the brain)

Seminomas (testis)

15

What are tumors that derive from three germ cell layers, usually in the testes or ovaries called?

Teratomas (benign)

Teratocarcinomas (malignant)

16

Differentiate between Cancer Grades I, II, III

Grade I- Well-differentiated tumor

Grade II- Moderately Differentiated tumor

Grade III- Poorly or Undifferentiated tumor

17

What is the purpose of staging cancers?

1. Helps determine whether to medically or surgically treat tumors.

2. Helps refer to the extent of spread of a tumor

18

Who determines staging for cancers? How many stages are there?

Oncologist: 4

19

Who determines Grading for cancers?

3

Pathologists: 3