Chapter 7: Neoplasm/Tumor Classification 2

Question 1

Type of tumor that arises from connective tissues such as bone, cartilage,
fat, muscle, fibrous tissue, blood vessels

Answer 1

Sarcoma

Question 2

Where do sarcomas often metastasize to?

Answer 2

Lungs (because all venous blood passes through the sieve of the lungs)

Question 3

By what route do sarcomas most often metastasize?

Answer 3

Bloodstream (especially veins more than arteries)

Question 4

Sarcomas spread __________ and show little ____________.

Answer 4

rapidly; differentiation

Question 5

Neoplasm of blood cells arising from the precursors of white blood cells.

Answer 5

Leukemias

Question 6

True or false: Leukemias usually form solid tumors.

Answer 6

False

Question 7

How do leukemias progress?

Answer 7

They proliferate diffusely in bone marrow, over-growing and crowding out normal blood-forming cells; also spill over into the blood stream.

Question 8

Type of primary cancer in which cells reside in lymph nodes and spleen.

Answer 8

Lymphoma

Question 9

True or false: Lymphomas are benign.

Answer 9

False (they are an exception to the naming conventions)

Question 10

Certain tumors of mixed cellular components

Answer 10

Teratomas (exception to naming, can be benign or malignant)

Question 11

Suffix indicating certain types of tumors composed of primitive cells seen in children.

Answer 11

Blastomas

Question 12

Skin tumors arising from pigment-producing cells within epidermis

Answer 12

Melanomas

Question 13

Tumor arising from cells that can differentiate into many different types of tissues (e.g., bone, muscle, glands, epithelium, brain tissue, hair)

Answer 13

Teratomas

Question 14

What is a common type of benign cystic teratoma arising in the ovary?

Answer 14

Ovarian cyst (or dermoid cyst)

Question 15

Where do teratomas frequently occur?

Answer 15

Reproductive tract

Question 16

True or false: Blastomas are very common.

Answer 16

False; they are rare.

Question 17

This is a type of blastoma that arises in the kidney.

Answer 17

Wilm’s tumor

Question 18

What is the survival rate of retinoblastoma in the U.S. with treatment?

Answer 18

98%

Question 19

True or false: Osteoblastoma is rarely benign and cannot be treated with surgery.

Answer 19

False; often benign and surgical removal can cure.