Puttoff/Robins WBC 2 Flashcards

(31 cards)

1
Q

4 big time functions of t helper cells?

A

Activate B cells to secrete antibodies
Activate macrophages to eat
Activate CD8 cells to kill
Inflammation

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2
Q

3 biomarkers for treg cells?

A

Cd4, fox p53, and cd25

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3
Q

What cytokine is essential for distinguishing treg cells?

A

Tgfbeta

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4
Q

What feature to note about NK cells?

A

Granules

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5
Q

What is the function of High endothelial venules?

A

Make surveillance of the body for antigen more efficient so all antigen specific lymphocytes can see all the presenting cells coming through with antigen

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6
Q

What are the 3 viruses leading to lymphomas and which specific ones do they lead to?

A

HTLV1: adult T cell leukemia
EBV: burkitt, some HL, B cell lymphomas in the setting of T cell immunodeficiency, and rare NK cell lymphomas
HHV8: unusual B cell lymphoma that presents as a malignant effusion.

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7
Q

Regarding lymphomas, which ones most often presents with an enlarged non tender LN?

A

2/3 of NHL

All HL

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8
Q

What do the remaining 1/3 NHL present as?

A

Symptoms because of extranodal sites

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9
Q

What are the 2 neoplasms of immature b and T cells?

A

B ALL and T ALL

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10
Q

What are the 8 neoplasms of mature B cells?

A

CLL, MM, follicular lymphoma, mantel cell lymphoma, marginal cell lymphoma, burkitt lymphoma, diffuse large B cell lymphoma, hairy cell leukemia

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11
Q

6 neoplasms of mature T cells or NK cells?

A
Adult T cell leukemia
Peripheral T cell lymphoma
Anaplastic large cell lymphoma
Extra nodal NK/T cell lymphoma
Mycosis fungoides
Large granular lymphocytic leukemia
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12
Q

Primary extranodal lymphomas are more common in NHL or HD? What are the three most common extranodal sites in order of frequency for NHL?

A

GI, skin, head and neck

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13
Q

What is accurate terminology for extranodal/nodal for spleen for HD and NHL?

A

Extranodal for NHL and nodal for HD

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14
Q

What are the two gene mutations in BALL and what is the most common gene mutation in TALL?

A

RUN X1 and ETV6

NOTCH1

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15
Q

What is the most common cancer of children?

A

ALL

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16
Q

Compare prevalence of whites and blacks with ALL? Which ethnic group has the highest incidence of any group getting ALL?

A

Whites more than blacks

Hispanics

17
Q

Symptoms of acute leukemia are related to what 4 things?

A

Depression of marrow function, fever, infection and bleeding

18
Q

2 specific symptoms more common to ALL?

A

Mass effects and CNS manifestations like HA vomiting, nerve palsies

19
Q

What are 5 favorable prognostic factors for ALL?

A
Age 2-10
Low WBC count
Hyperdiploidy
Trisomies 4,7,10
12;21 translocation
20
Q

4 unfavorable prognostic factors for ALL?

A

Age under 2
Teen or adult
Peripheral blasts over 100k
9:22 or Philadelphia translocation

21
Q

What is the most common leukemia in adults in the western world?

22
Q

4 cd markers for CLL?

A

5,19,20 and 23

23
Q

What is the richter transformation?

A

CLL or small lymphocytic lymphoma transforms to diffuse large B cell lymphoma.

24
Q

What is the most common form of indolent NHL?

A

Follicular lymphoma

25
What is the most common form of NHL?
DLBCL
26
Two most common mutations of DLBCL?
Dysregulation of BLC6 | Small percentage have the BCL2 translocation of follicular
27
What are the two subtypes of DLCBL associated with herpes virus?
Immunodeficiency associated large B cell lymphoma EBV | Primary effusion lymphoma KSHV/HHV8
28
What is normally expressed predominantly in GC B cells and what is essential for GC formation? Also, DLBCL tumors that have the BCL2 translocation, usually lack what mutation?
BCL6
29
What part of the body is frequently involved with DLBCL and what is uncommon?
Waldeyer ring and extranodal sites are common | BM
30
3 subtypes of burkitt?
African Sporadic HIV
31
Most burkitt lymphomas manifest where?
Extranodal