exam 2 neoplasia

Question 1

Answer 1

neoplasia

Question 2

What is the top arrow pointing to?

Answer 2

stroma

Question 3

What is the bottom arrow pointing to

Answer 3

parenchyma

Question 4

Epithelial or mesenchymal neoplasm?

Answer 4

epithelial

Question 5

Epithelial or mesenchymal neoplasm?

Answer 5

mesenchymal

Question 6

is this benign or malignant? MDx?

Answer 6

benign

Mdx:dermal fibroma

Question 7

is this benign or malignant? MDx?

Answer 7

malignant

nasal carcinoma

Question 8

is this endothelium drived neoplasm benign or malignant? MDx?

Answer 8

benign

Mdx: dermal hemangioma

Question 9

is this endothelium drived neoplasm benign or malignant? MDx?

Answer 9

malignant

Mdx: splenic hemangiosarcoma

Question 10

is this glandular epithelial cell derived neoplasm benign or malignant? MDx?

Answer 10

benign

Mdx: perianal adenoma

Question 11

is this glandular epithelial cell derived neoplasm benign or malignant? MDx?

Answer 11

malignant

Mdx: perianal adenocarcinoma

Question 12

is this bone derived neoplasm benign or malignant? MDx?

Answer 12

benign

Mdx: mandibular osteoma

Question 13

is this bone derived neoplasm benign or malignant? MDx?

Answer 13

malignant

Mdx: maxillary osteosarcoma

Question 14

is this squamous cell epithelial neoplasm benign or malignant? MDx?

Answer 14

benign

Mdx: papilloma

Question 15

is this squamous epithelial cell derived neoplasm benign or malignant? MDx?

Answer 15

malignant

Mdx: oral squamous cell carcinoma

Question 16

is this lymphocyte derived neoplasm benign or malignant? MDx?

Answer 16

malignant

Mdx: nodal lymphoma

Question 17

is this multi-cell derived neoplasm benign or malignant? MDx?

Answer 17

usually benign (but if malignant then it is called by the same name)

Mdx: ovarian teratoma

Question 18

How would you label the differentiation of these samples? What are the Mdx’s?

Answer 18

top is well differentiated

Mdx: mammary adenoma

bottom is not well differentiated

Mdx: mammary carcinoma

Question 19

(cellular atypia) are observed in malignant neoplasms: – Pleomorphic – Anisokaryosis/anisocytosis – Nuclear hyperchromasia – High N:C ratio – Prominent nucleoli – Multiple nuclei – Abnormal mitotic figures

Answer 19

anaplasia

Question 20

This is an example of ____ Mdx: canine histiocytic sarcoma

Answer 20

anaplasia

Question 21

Which is an example of abnormal mitotic figure

Answer 21

the right one

Question 22

is this adrenal cortex derived neoplasm benign or malignant? MDx?

Answer 22

benign

Mdx: adrenal cortical adenoma

Question 23

is this adrenal cortex derived neoplasm benign or malignant? MDx?

Answer 23

malignant (to the liver)

Mdx: adrenal cortical adenocarcinoma

Question 24

is this thyroid gland derived neoplasm benign or malignant? MDx?

Answer 24

malignant

Mdx: thyroid carcinoma

Question 25

is this melanocyte derived neoplasm benign or malignant? MDx?

Answer 25

benign Mdx: dermal melonoma

Question 26

is this melanocyte derived neoplasm benign or malignant? MDx?

Answer 26

malignant Mdx: oral melenoma

Question 27

which is malignant and which is benign?

Answer 27

malignant right benign left

Question 28

is this histiocytic derived neoplasm benign or malignant? MDx?

Answer 28

benign histiocytoma

Question 29

is this histiocytic derived neoplasm benign or malignant? MDx?

Answer 29

malignant Mdx: ocular histiocyticsarcoma

Question 30

List some anaplasia features in this picture

Answer 30

nuclear hyerchromasia, anisokaryosis, pleomorphic anisocytosis, multinuclei, big nuclei, abnormal mitotic figures

Question 31

These pictures are comparing which Mdx?

Answer 31

liposarcoma vs lipoma

Question 32

This is comparing the benign ___ to the malignant \_\_\_\_\_

Answer 32

hemangioma hemangiosarcoma

Question 33

Benign, low-grade malignant, high-grade malignant?

Answer 33

low grade malignant low grade myxosarcoma

Question 34

This liver is ____ due to the presence of neoplasia

Answer 34

enlarged

Question 35

This is a cystic change due to neoplasia, what is the Mdx?

Answer 35

biliary cystadenoma

Question 36

MDx: biliary carcinoma is an example of a ___ change and you can infere rapid growth of this neoplasm because of the necrotic centers

Answer 36

umbilical change

Question 37

What is the proliferation of fibroblast in response to neoplasia making the neoplasia firm

Answer 37

“Scirrhous” response