Acute Myeloid Leukemia Flashcards
Myeloblasts + cytoplasmic staining for what ?
Myeloperoxidase
MPO
Pathoma-56
Acute myeloid leukemia ?
Neoplastic proliferations of immature myeloid cells >20%
t (15-17) translocation in Acute promyelocytic leukemia ?
Chromosme-17 Retinoic acid receptor translocate to chromosome-15
RAR disruption block -maturation and promyelocyte blast accumulate
Myeloperoxidase characteristics in Acute myeloid leukemia ?
Crystal aggregate
AUER rods
AML common age ?
Older patient-50-60 year
Acute promyeloblastic leukemia cause ?
- t ( 15-17)
Subclasses of acute myeloid leukemia ?
- Acute promyelocytic leukemia
- Acute monocytic leukemia
3.Acute megakaryoblastic leukemia
Abnormal promyelocyte increas risk of which disease ?
DIC
Tx of APL in AML ?
All trans retinoic acid - ATRA
vitamin-A derivatives
ATRA binds with the receptor= Blast mature
Acute monocytic leukemia ?
Proliferation of monoblasts
AMonocyticL IN AML ?
- Lack of MPO
- Inflitrate Gum - Figure -56
Acute Megakaryoblastic leukemia ?
- Lack MPO
- Down syndrome
- Before age 5
AML arise from which ?
- Preexisting dysplasia
- Myelodysplastic syndrome
- Chemotherapy or Radiation
Myelodysplastic syndrome features ?
- Hypercellular bone marrow
- Inc blasts
- Cytopenia
- Abnormal amturation of cells
Most patient dir from infection / Bleeding
Pathoma-56