Pathophys II- Myeloid disease Flashcards
Left shift=
Appearance of immature neutrophils granulocytes in the periphery
Leukemoid reaction is caused by
Severe infection
Which cell can we see in acute leukemia?
Excess of blast cells
In AML, we will see how many blast cells?
More than 20%in bone marrow and in periphery
% of blast cells in bone marrow of healthy person
5%
Number of blast cells in periphery of healthy person
0
__ of acute leukemia are ___ in adults
80%
AML
__ is more dominant in kids (AL)
ALL
Laboratory of AML
Uric acid ↑
LDH ↑
Immunophenotyping
CD33+ CD34+ CD117+ CD13+ CD15+
How tho differentiate btw lymphoblast and myeloblast on a smear?
Myeloblast have more cytoplasm
Myeloproliferative syndrom examples
CML
PV
ET
Idiopathic myelofibrosis
___ of all leukemia are CML
15%
CML is most common in __ age
50-70 years
What is a philadelphia chromosome
chr 22 that got a new piece from chr 9
philadelphia chromosome creates
bcr-abl fusion gene
bcr-abl fusion gene creates
Tyrosine-kinase
What is the problem with bcr-abl Tyrosine-kinase
Continously stimulates proliferation and inhibits apoptosis
Blast crisis will develope after ___ years
3-5 years
Blast crisis happens after which phase
Accelerated phase
CML peripheral blood smear
All stages of differetiation of granulocytic cell line are present
CML therapy
Tyrosine kinase inhibitors
Imatinib-gleevec
Blood film of thrombocytosis
> 600 G/L
Genetic test in ET
JAK2-V617F
in 50% of ET