FTK 3: Round Cell Tumors

Question 1

5 types of round cell tumors (start with the broader organizational term)

Answer 1

NEOPLASIAS

1. Histiocytic
2. Lymphocytic
3. Plasma cell
4. Mast cell
5. Transmissible Venereal Tumor (TVT)

Question 2

Histiocytic round cell tumor

Answer 2

BENIGN = HISTIOCYTOMA
–> will undergo T-cell mediated regression

MALIGNANT = HISTIOCYTIC SARCOMA

Question 3

Lymphocytic tumor

Answer 3

MALIGNANT = LYMPHOMA, or LYMPHOSARCOMA

Question 4

TVT

Answer 4

Spread between dogs undergoing venereal contact

Question 5

Plasma cell

Answer 5

BENIGN = PLASMOCYTOMA

MALIGNANT = MYELOMA

Question 6

Mast cell grading and what species they’re found in

Answer 6

GRADING = LOW/HIGH, I II III

SPECIES = CATS, DOGS, HORSES