WBC, LN, Spleen Flashcards
cut off value for clinically significant neutropenia
<500/mm3
considered agranulocytosis
most common cause of agranulocytosis
drug toxicity
___ syndrome is associated with inadequate of ineffective granulopoiesis
kostmann syndrome
___ syndrome of ineffective hematopoeisis. abnormal cells die before they can go out of the marrow resulting to low peripheral blood counts and compensatory hypercellular marrow
myelodysplastic syndrome
___ center is the area of B-cell activation
germinal center
___ zone contains small, naive B cells in LN
mantle zone
pattern of hyperplasia seen in acute viral infections; mottled appearance
paracortical hyperplasia
[diagnosis]
younger, primitive cells, aggressive clinical course, amenable to treatment
Acute leukemia
[diagnosis]
older, mature looking cells, indolent clinical course, subtle symptoms, resistant to treatment
chronic leukemia
sanctuary sites of Bcell ALL and T cell ALL
testis
this refers to absence of blasts in peripheral blood; >100,000/mm3
aleukemic leukemia
t(15;17)
APML
t(12;21)
B-CELL ALL
NOTCH-1 mutation
T-CELL ALL
[diagnosis]
needle-like azurophilic granules
APML
auer rods
___ cells when there are numerous auer rods. seen in APML. Associated with DIC
faggot cells
[diagnosis]
constitutional symptoms, hepatosplenomegaly, lymphadenopathy, hypogammaglobinemia, >5,000/mm3 PBS, small lymphocytes with smudge cells
CLL
[diagnosis]
constitutional symptoms, hepatosplenomegaly, lymphadenopathy, hypogammaglobinemia, <5,000/mm3 PBS, small lymphocytes with smudge cells
SLL
Chronic lymphomas that can undergo Richter Syndrome
CLL, SLL
progression of CLL to DLBCL is called
richter syndrome
t(9;22)
CML
[diagnosis]
WBC >100,000/ mm3
thrombocytosis
Blast <10% in PBS
CML
[diagnosis of CML phase]
- Increasing WBC unresponsive to therapy
- Basophils >20%
- Thrombocytes <100,000 unrelated to therapy OR
- > 1,000,000 unresponsive to therapy
- increasing splenomegaly
Accelerated phase