15) Lymphocytes & non-malignant lymphocyte disorders Flashcards

(46 cards)

1
Q

differentiation of stem cell → lymphocyte

A
  • stem cell
  • CLP
  • lymphoblast
  • prolymphocyte
  • mature lympocyte
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

15% of all lymphs

A

NK cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

large lymph with pale cytoplasm and red granules

A

NK cell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

2 phases of lymphopoiesis

A

antigen independent (in primary lymph tissue)

antigen dependent (in secondary lymph tissue)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

makes immunocompetent lymphs

A

antigen independent lymphopoiesis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

very dark blue blast

A

lymphoblast

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

large, distinct nucleoli
cytoplasm getting lighter blue

A

prolymphocyte

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

extremely variable cells

A

lymphs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

nucleoli in mature lymphs may be seen in…

A

CSF
body fluids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

sky blue cytoplasm

A

lymphs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

may have countable granules, or rare vacuoles

A

lymphs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

cytoplasm scalloped around RBCs
blue edges

A

reactive lymph

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

reactive lymph may be a precursor to…

A

immunoblast

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

huge lymph with fine chromatin and prominent nucleoli

A

immunoblast

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

salami nucleus

A

immunoblast

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

immunoblasts are found in…

A

secondary lymph tissues

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

B cells + antigen → ———– → ———–

A

plasmacytoid cells
plasma cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

eccentric nucleus with paranuclear unstained area

A

plasma cell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

null cells

20
Q

function of NK cells

A

kill tumor cells, virally infected cells, cells coated with IgG

21
Q

plasma cells with reddish-purple cytoplasm

contain more Ig than usual

22
Q

flame cells seen in….

23
Q

grape cells
plasma cells filled with dark globules

24
Q

Russell bodies are found in ——— cells

25
Mott cells' globules are filled with ------ and are found in...
Ig plasmacyte hyperplasia parasitic infections malignancies
26
nuclear membrane inclusions found in neoplastic plasma cells
Dutcher bodies
27
look like very bright nucleoli
Dutcher bodies
28
60-80% of PB lymphs are...
T-cells
29
about 20% of lymphs live only...
few hours to 5 days | most live months to years
30
adult relative & absolute lymphocytosis
>40% >4 x 10^3
31
---------megaly is common when lymphs are actively proliferating in response to infection
splenomegaly
32
causes absolute lymphocytosis to lead to ↑ WBC
- B. pertussis - infectious mono - infectious lymphocytosis - lymphocytic leukemia - CMV
33
>50% lymphs, with >20% being atypical
EBV
34
rarely, ----- can cause an AIHI anti-i to develop
EBV
35
intracellular protozoan infecting all cells but RBCs
Toxoplama gondii
36
flower shape nuclei
toxoplasmosis lymphs
37
---------- can be a complication in immcomp toxoplasmosis pts
hemolytic anemia
38
thought to infect neutrophils many reactive lymphs negative heterophile Ab test
CMV
39
possibly caused by coxsackie A or adenovirus
infectious lymphocytosis
40
lymphocytosis with no reactive lymphs (60-97% small normal lymphs)
infectious lymphocytosis
41
lymphocytosis with small lymphs having very dense chromatin
B. pertussis
42
butt nuceli in lymphs
B. pertussis
43
plasma cells in PB
plasmacytosis
44
--------- infections commonly show plasmacytosis
rubeola
45
adult absolute lymphocytopenia
<1.0 x 10^3
46
most common cause of lymphocytopenia
malnutrition T-cell depletion