Hematology Week 3: Acute Lymphoblastic Leukemia/Lymphoma Flashcards
Question 1
D) The patient has neutropenia
Question 2
B
Question 3
sheets of blast taking over bone marrow
CD19 positive
CD20 Negative
CD34 Positive
CD33 Negative
TDT Positive
Immature markers
TDT
CD34
B cell marker
CD19
Myeloid marker
CD33
Dx is?
B cell - ALL
Acute Lymphoblastic Leukemia
&
Acute Lymphoblastic Lymphoma
Where are
Acute Lymphoblastic Leukemia
&
Acute Lymphoblastic Leukemia
Found?
B-ALL Normal Counterpart
Precursor B Lymphocyte
B-ALL Key Markers
3 listed
- CD19
- CD34
- TdT
B-ALL Predominant age
<10 years
B-ALL Predominant Location
Blood and BM
B-ALL Prognosis
~90%
T-ALL Normal counterpart
Precursor T lymphocyte
T-ALL Key Markers
3 listed
- CD3
- CD34
- TdT
T-ALL Predominant Age
Adolescence
T-ALL Predominant Location
Tissue (especially the thymus)
T-ALL Prognosis
<80%
ALL Symptoms
8 listed
- Fatigue (anemia)
- Fever, infections (neutropenia)
- Bleeding (thrombocytopenia)
- Bone pain (sometimes young children won’t walk or bear weight)
- Lymphadenopathy
- Hepatosplenomegaly
- Mediastinal compression (superior vena cava syndrome) in T-ALL
- CNS manifestations to meningeal involvement
ALL onset Timeline
Abrupt “stormy” onset (days to weeks)
ALL affects what age group
Usually children
ALL survival