Leukopenia Flashcards
1
Q
Leukopenia WBC Count ?
A
< 5K / micro litre
Pathoms-53
2
Q
Decreased number of circulating neutrophils are called ?
A
Neutropenia
3
Q
Neutropenia causes ?
A
- Drug toxicity -Chemotherapy with alkalying agents
- Severe infection - Gram (-) Sepsis
4
Q
Neutropenia Tx ?
A
GM-CSF / G-CSF
5
Q
Decreased number of circulating lymphocytes ?
A
Lymphopenia
6
Q
Lymphopenia causes ?
A
- Immunodeficiency -DiGeorge syndrome + HIV
- High cortisol-Cushing syndrome = Induce apoptosis of lymphocytes
- Autoimmune destruction - SLE
- Whole body radiation
7
Q
Highly sensitive to radiation >?
A
Lymphocytes
8
Q
Hematopoiesis from which cell ?
A
Hematopoietic CD 34+ stem cells
9
Q
Hematopoietic CD34+ STEM cell types ?
A
- Myeloid stem cell
- Lymphoid stem cell
10
Q
Lymphoid stem cells derivatives ?
A
- B-Lymphocyte = Naive B cells = Plasma cells
- T-Lymphocyte = Naive T cells = CD 4+ /CD 8+ Cells
11
Q
Myeloid stem cell derivatives ?
A
- Erythroblast = RBC
- Myeloblast = PHILS = Neutro-Eosino-Baso
- Monoblast = Monocytes
- Megakaryoblast = Megakaryocytes