P14 - Neoplasia Part 2 Flashcards
(32 cards)
1
Q
pre-neoplastic changes preceding neoplasia (4)
A
- hypertrophy
- hyperplasia
- metaplasia
- dysplasia
2
Q
neoplasia (5)
A
- new growth
- tumor
- can be benign or malignant
- irreversible
- loss of responsiveness to normal growth/death controls
3
Q
growth limits for benign
A
- limited
- circumscribed
- encapsulated
4
Q
growth limits for malignant
A
- unrestricted
5
Q
mode of growth for benign
A
- expansion
- pedunculation
6
Q
mode of growth for malignant
A
- expansive
- infiltrative
7
Q
metastasis of benign
A
- none
8
Q
metastasis of malignant
A
- frequent
9
Q
recurrence of benign
A
- rare
10
Q
recurrence of malignant
A
- frequent
11
Q
anaplasia of benign
A
- well differentiated
12
Q
anaplasia of malignant
A
- anaplastic (poorly differentiated)
13
Q
tissue structure of benign
A
- nearly normal
14
Q
tissue structure of malignant
A
- abnormal
15
Q
stroma of benign
A
- usually abundant
16
Q
stroma of malignant
A
- usually scanty
17
Q
mitotic figures of benign
A
- few
18
Q
mitotic figures of malignant
A
- numerous
19
Q
blood supply of benign
A
- usually adequate
20
Q
blood supply of malignant
A
- adequate
21
Q
tissue destruction of benign
A
- minimal
22
Q
tissue destruction of malignant
A
- frequent
23
Q
cellular size of benign
A
- uniform
24
Q
cellular size of malignant
A
- pleomorphic
25
growth rate exceptions to general rule
- papillomas (benign)
| - hormone dependent mammary tumors
26
benign non-glandular end in
- "oma"
27
benign glandular end in
- "adenoma"
28
malignant non-glandular end in
- "carcinoma"
29
malignant glandular end in
- "adenocarcinoma"
30
mesenchymal tumors are generally cells from
- connective tissue, muscle, blood cells, endothelial and related cells
- generally spindle cells in streams/bundles
31
teratomas
- tumor composed of multiple neoplastic tissues foreign to part which they arise
- usually benign
32
mixed tumor
- arise from cells that are normally found in the tissue in which they arise
- can be benign or malignant
