P14 - Neoplasia Part 2

Question 1

pre-neoplastic changes preceding neoplasia (4)

Answer 1

• hypertrophy
• hyperplasia
• metaplasia
• dysplasia

Question 2

neoplasia (5)

Answer 2

• new growth
• tumor
• can be benign or malignant
• irreversible
• loss of responsiveness to normal growth/death controls

Question 3

growth limits for benign

Answer 3

• limited
• circumscribed
• encapsulated

Question 4

growth limits for malignant

Answer 4

• unrestricted

Question 5

mode of growth for benign

Answer 5

• expansion

- pedunculation

Question 6

mode of growth for malignant

Answer 6

• expansive

- infiltrative

Question 7

metastasis of benign

Answer 7

• none

Question 8

metastasis of malignant

Answer 8

• frequent

Question 9

recurrence of benign

Answer 9

• rare

Question 10

recurrence of malignant

Answer 10

• frequent

Question 11

anaplasia of benign

Answer 11

• well differentiated

Question 12

anaplasia of malignant

Answer 12

• anaplastic (poorly differentiated)

Question 13

tissue structure of benign

Answer 13

• nearly normal

Question 14

tissue structure of malignant

Answer 14

• abnormal

Question 15

stroma of benign

Answer 15

• usually abundant

Question 16

stroma of malignant

Answer 16

• usually scanty

Question 17

mitotic figures of benign

Answer 17

• few

Question 18

mitotic figures of malignant

Answer 18

• numerous

Question 19

blood supply of benign

Answer 19

• usually adequate

Question 20

blood supply of malignant

Answer 20

• adequate

Question 21

tissue destruction of benign

Answer 21

• minimal

Question 22

tissue destruction of malignant

Answer 22

• frequent

Question 23

cellular size of benign

Answer 23

• uniform

Question 24

cellular size of malignant

Answer 24

• pleomorphic

Question 25

growth rate exceptions to general rule

Answer 25

• papillomas (benign)

- hormone dependent mammary tumors

Question 26

benign non-glandular end in

Answer 26

• “oma”

Question 27

benign glandular end in

Answer 27

• “adenoma”

Question 28

malignant non-glandular end in

Answer 28

• “carcinoma”

Question 29

malignant glandular end in

Answer 29

• “adenocarcinoma”

Question 30

mesenchymal tumors are generally cells from

Answer 30

• connective tissue, muscle, blood cells, endothelial and related cells
• generally spindle cells in streams/bundles

Question 31

teratomas

Answer 31

• tumor composed of multiple neoplastic tissues foreign to part which they arise
• usually benign

Question 32

mixed tumor

Answer 32

• arise from cells that are normally found in the tissue in which they arise
• can be benign or malignant