5. 10 Neoplasia intro Flashcards Preview

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Flashcards in 5. 10 Neoplasia intro Deck (17):
1

a neoplasia is a

mass - it means new growth

2

fist question to ask about a neoplasia

benign or malignant

3

can detect a neoplasia by

HE slide preparation

4

Tumor means

swelling but the term is used interchangibly with neoplasia

5

Neoplasm definition

a neoplasm is an abnormal mass of tissue which exceed and is uncoordinated with that of the normal tissues, and persists in the same excessive manner after the cessation of the stimuli which evoked the change

6

what is a fundamental feature of neoplasia

loss of growth control

7

spectrum of neoplasms

benign - intermediate - malignant

8

malignant refers to

the ability of the tumor to metastasize

9

very malignant tumors

small cell carcinoma in the lung

10

benign tumor ex

uterine fibroids - will not metastasize

11

intermediate tumors

some kill you some don_t_these are still slow growing and invasive

12

gold standard of malignancy

***capacity to metastasize, local invasion, dedifferentiation/anaplasia, rapid rate of growth, uniformly fatal if untreated, exceptions exist

13

benign tumors tend to

grow and push the surrounding tissue

14

malignant tumors tend to

invades through the tissue and can see it in a biopsy

15

dedifferentiation of malignant tumors

somewhat, not totally_.used terms like well differentiated or moderate differentiation to "grade" the tumors

16

the more dedifferentiated the tumor

the more aggressive it is and quickly metastizing

17

rate of growth if malignant

more rapid