Pathophys II- Lymphoid disease Flashcards

1
Q

Infectious mononucleosis is caused by

A

EBV

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2
Q

What cells are affected by Infectious mononucleosis

A

B cells

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3
Q

ALL peak at age

A

2-5 years

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4
Q

Second increase incident of ALL is after age

A

50

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5
Q

B-ALL markers

A

CD10
CD19
CD22
CD79a

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6
Q

T-ALL markers

A

CD3

CD7

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7
Q

B-ALL cytogenic subtypes

A

t(12;21)

t(9;22)

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8
Q

B-ALL represent __ of ALL

A

80%

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9
Q

Very poor prognosis with which abnormality?

A

t(9;22)

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10
Q

Prognosis for CLL?

A

Good

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11
Q

Tumor cell appear to be __ in CLL

A

Mature B cell

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12
Q

What is the most common cytogenic abnormality in CLL

A

Deletion of 13q14

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13
Q

Diagnosis of CLL (blood)

A

Peripheral blood lymphocyte count > 5 G/L

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14
Q

Diagnosis of CLL (Bone marrow)

A

Bone marrow aspiration showing > 30% lymphocytes

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15
Q

Composition of normal bone marrow

A

Granulocyte 60%
Erytrocyte 20%
Lymphocyte 10%

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16
Q

CLL peripheral blood smear will show

A

Lymphocyte with thin cytoplasm

Smudge cells

17
Q

Staging system for CLL

18
Q

CLL treatment

19
Q

OK but what can we do?

A

Anti-CD20 = RItuximab

20
Q

Rai staging

21
Q

Binet staging

22
Q

EBV will show ___ on histology

A

Atypical lymphocytes

Downey types

23
Q

EBV symptoms

A
Rash
Fever
Lymphadenopathy
White coating on tonsils
Splenomegaly
24
Q

EBV causes

A

Infectious mononucleosis

25
Infectious mononucleosis will present as
Lymphoproliferative disorder of B cells | Causes atypical B cells
26
Rai staging 0 means
Lymphocytosis with no symptoms
27
How can we exclude ALL?
No splenomegaly
28
Where can we find Smudge cells?
CLL
29
BUN means
Blood Urea Nitrogen
30
Common finding in MONO (Blood smear)
Atypical lymphocytes
31
Atypical lymphocytes are also called
Downey cells
32
More exams performed on a patient with EBV
Heterophile Ab test
33
What is Heterophile Ab test
We test for the Ab produced against EBV Ag
34
Rai systemstage 0=
Lymphocytosis without symptoms
35
What is the most common type of leukemia?
CLL