PAS hematology slides Flashcards
Bone marrow biopsy in ALL shows ?
> 20% Lymphoblasts
ALL remission rate ?
> 85%
Relapse rate in ALL ?
High -> SCT
Bone marrow biopsy in AML ?
> 20 % myeloblasts
Auer rods are seen in ?
AML ( it helps to deffrentiate it AML from ALL)
AML M3 ( ApML )
High risk of DIC : All trans retinoic acid and Arsenic trioxide.
AML type M5
High risk of Lukostasis ( leukopheresis)
Most common chronic lukemia in adults ?
CLL ( impaired maturation of Lymphoblasts to Lymphocytes).
CLL pathophysioloy ?
- delayed apoptosis of Lymphocytes.
*
What is the cause of infection in CLL ?
Hypogamaglobulinemia
Most common presenation of CLL?
Lymphadenopathy
What is the cause of hemolysis in CLL
Autoimmune hemolysis ( direct coomb test positive)
elevated LDH
Smudge cell is a Hallmark of
CLL
Bone marrow biopsy in CLL ?
Not required
What are the mutations significant for poor prognosis in CLL?
*ZAP-70+
*del(17p)
*del(11q)
Myeloid erythroid ratio in CML ?
3:1
Blasts in CML chronic vs blast phase
> 20 blast
<10 chronic
Lymphomas comprise what % of all malignancies ?
3
What are Hodgkin’s Cells ?
Mononuclear malignant B cells.
Immunological markers of Hodgkin’s Lymphoma ?
CD15 and CD13 positive.
Popcorn cells are seen in ?
Nodular Lymphocyte predominat Hodgkins Lymphoma.
Non Hodgkin’s Lymphoma Low grade is common in __ and high grade in ___?
Adults high grade, clinically indolent
Peads low grade clinically agressive.
Median age of NHL
10 and increases with age
What percentage of low grade transforms to high grade in NHL?
30%