HEMA (ALL CD markers)

Question 1

POSITIVE CD marker in Progenitor B cells

Answer 1

CD19
CD34
TdT

Question 2

NEGATIVE CD marker in Progenitor B cells

Answer 2

CD10 (CALLA)

Question 3

POSITIVE CD markers in Early pre-B cells ALL

Answer 3

CD10 (CALLA)
CD19
CD34
TdT

Question 4

POSITIVE CD markers in Pre-B cells ALL

Answer 4

CD10 (CALLA)
CD19
CD20
TdT

Question 5

POSITIVE CD markers in B cells ALL

Answer 5

CD19
CD20

Question 6

NEGATIVE CD markers in B cells ALL

Answer 6

TdT

Question 7

CD19, CD34, TdT (+)
CD10 (CALLA) (-)

Answer 7

Progenitor B cells

Question 8

CD10 (CALLA), CD19, CD34, TdT (+)

Answer 8

Early pre-B cells ALL

Question 9

CD10 (CALLA), CD19, CD20, TdT (+)

Answer 9

Pre-B cells ALL

Question 10

CD19, CD20 (+)
TdT (-)

Answer 10

B cells ALL

Question 11

pan T cell markers

Answer 11

CD2
CD3
CD5
CD7

Question 12

TdT (+)
can have BOTH or NEITHER CD4 and CD8

Answer 12

Immature T cells

Question 13

have one or the other (CD4 and CD8) but not both

Answer 13

Mature T cells

Question 14

CD markers in Immature T cells

Answer 14

TdT (+)
BOTH or NEITHER CD4 and CD8

Question 15

CD markers in Mature T cells

Answer 15

EITHER CD4 and CD8 but not both

Question 16

Mediastinal mass is a common finding

Answer 16

T cell ALL