JKP

Question 1

Most common lymphoma in domestic animals

Answer 1

Diffuse large B cell lymphoma

Question 2

Most common presentation of diffuse large B cell lymphoma

Answer 2

Generalized lymph node enlargement

Question 3

Rule out for diffuse large B cell lymphoma

Answer 3

Peripheral T cell lymphoma (30% of nodal)

Question 4

Most common lymphoma in horse

Answer 4

T cell rich B cell lymphoma

Question 5

Most common nodal lymphoma in cats

Answer 5

T cell rich B cell lymphoma

Question 6

Histologic appearance of diffuse large B cell lymphoma

Answer 6

Starry sky, sheets, loss of architecture, large cells with euchromatic nuclei that can be bizarre

Question 7

Histologic appearance of T cell rich B cell lymphoma

Answer 7

Sheets of small reactive T cells with 10% large neoplastic B cells

Question 8

Third most common canine lymphoma (after DLBCL and peripheral T cell)

Answer 8

Marginal zone lymphoma

Question 9

What is different about Marginal zone lymphoma?

Answer 9

Indolent, don’t treat with CHOP

Question 10

Difference between peripheral T cell lymphoma and T zone lymphoma

Answer 10

Both can be one or generalized nodes, but T zone lymphoma is follicular, with a paracortical proliferation; peripheral T cell lymphoma is diffuse