Heme Malignancy/ Coag Disorders Flashcards
meyloproliferative disorders include
CML
PV
ET
IM
ALL effects
lymphoid progenitor cells - B, T, NK
AML effects
myeloid progenitor cells - eosinophil, nuetrophil etc
CI to BM exam
hemophilia
DIC
severe bleeding disorders
sites for BM aspiration
*posterior superior iliac crest and spine
anterior iliac crest
greatcher troch of femur
vertebral body/ rubs
sternum (usually CI)
tibial (children <12-18 mo)
cellular component that iniates adaptive immunity
luekocytes
T/F
WBC are nucelated
T
RBC anucelated
luekocytosis and penia lab values
>11k cytosis
<4k penia
4 types of leukemia
AML
ALL
CML
CLL
Immature cells ate called _____ and when there is >20% = ____ if <20% ________
blasts
>20% leukemia
<20% myelodysplastic syndromes
Risk factors for developing Myelodysplastic syndrome (MDS
>60
expsure to chemicals
chemo/radiation
inherited disorders (fancoci, familial PLT)
complciations of Myelodysplastic syndrome (MDS
- Complications: IRON OVERLOAD – due to frequent transfusions
- 30% progress to AML
how do MDS cases initally present
low grade anemia <20% blast in periphery
tx of MDS
•Supportive care (ex. transfusions, EGF, antibiotics)
Chemo (ex. decitabine, lenalidomide)
- 5-azacytidine
- Decitabine – CR 43%
- Lelinomide – dec transfusions (only pts w/ 5q deletions)
- Hematopoietic SCT
etiology of AML
Issue w/ myeloid progenitor cell – rapid growth of abnormal myelocytes that acccumulate in BM
AML results in:
- Anemia (fatigue, weakness, pallor)
- Thrombocytopenia (epistaxis, gingival bleeding, petechiae, purpura)
Neutropenia (persistent/exaggerated (sinus
AML has ____% blasts
>20% blasts
•Leukemia cutis - nodular skin lesions (purplish /grayish) is seen with what dz?
AML
What would you see in peipheral Smear in pt w/ AML
•auer rods in AML cells
stages of chemo in AML
- Induction chemo
- Re-induction – if relapse
- Consolidation – destroy remaining tumor cells, complete remission is achieved
- Maintenance – maintain remission, up to 24 mo (more common in ALL)
SCT (if bad prognosis based on cytogenetics or poor response to re-induction) induction à SCT
what is associated with a bad prognosis in AML
>60 y/o
elevated LDH
cytogenic abnorm, FLT3 mutation
CML is when ____ cells go BAD
B cells
what disorder is due to abnormality in philedaphia chr
CML
CML leads to an increase in proliferation of:
Inc proliferation of granulocytes (neutrophils, basophils, eosinophils)
3 phases of CML
Blast phase (blast crisis)® AML (bad progmosis)
- Rapid progression of bone marrow failure
- Bone pain (resembles acute leukemia)
Accelerated phase
- Worsening anemia
- Profound neutropenia
- Extreme pleocytosis
Chronic phase (up to 10 yrs)
- Insidious onset/fatigue
- Significant leukocytosis
- Anorexia/weight loss
- Fever/night sweats
- Granulocytes functioning so not many chronic infections. (unlike AML)
what dz would we order a FISH looking for BCR-ABL gene rearrangement
CML
how would we tx CML with a positive phil chr
negative phil chr?
•Imatinib (Gleevac) – targets phil chr. Does not work with phil chr (-)
- phil chr
- TKI + chemo
- SCT
in CML the BCR-ABL1 gene results in:
tyrosine kinase which promotes undiff proliferation
in CML how many blasts are in blast vs accelaerated phase
blast 30%
accelerated 15%
Si/Sx of chronic phae of CML
anorexia
weight loss
fever
night sweats
fatigue
splenomegaly : LUQ discomfot
NO LYMPHADENOPATHY
IN CML, unlike in AML _____ still fucntioning so not as many ____ _____
granulocytes
chronic infections.
si/sx of accelerated phase in CML
anemia
nuetropenia
priapism
splenomegaly
si/sx of blast crisis phase in CML
resembles acute leukemia
rapid progression of BM failure
bone pain
most common leukemia in adults
AML
most common childhood cancer w/ bimodal distribution
ALL
infection is stongly linked to ALL - in adults its _____ and in children its _____
HLTV-1
varicella
si / sx w/ ALL
- Sudden onset of bone marrow failure ® malaise, fatigue, bleeding, bruising, secondary infections
- Hepatosplenomegaly
- B symptoms (fever, weight loss, night sweats)
- CNS involvement (meningeal spread)
- Painless lymphadenopathy
- Testicular enlargement (rare)
stepwise approach to chemo in ALL
- Induction chemo
- Re-induction – if relapse
- Consolidation – destroy remaining tumor cells, complete remission is achieved
Maintenance – maintain remission, up to 24 mo (more common in ALL
Lymphoid progenitor cells (B cells and T cells) are altered and reproduce unregulated
ALL
Expansion of CD5+ B-cells (immuno-incompetent B-cells) over proliferation of BAD white cells
CLL
diagnostic test for CLL
•Flow cytometry - B cells w/ surface antigens (CD19, CD20, CD23, CD5
complication of CLL
•Richter’s transformation (CLL à ALL) slow disease progression to FAST
pt presents w/ generalized, painless lymphadenopathy (HUGE LN’s) – cervical, suprclav, axillary most common
Wells syndrome
and
hemolytic anemia
CLL
most common luekemia of US
CLL
we should tx CLL w/ chemo in early stages?
no - watch and wait
tx of severe CLL
- Chemo
- Immunotherapy
- B-cell signaling inhibitors
- SCT – bad prognosis
- Palliative care
genes in CLL that indicate worse prognosis
- 13q (most common) ,
- &/or 17p (worst prognosis) deletion)
lab differences in ALL vs CLL
ALL - INC LDH and uric acid
CLL - DEC LDH
CLL has a DEC Ig___
IgG
autoimmune hemolytic anemia is commonly seen with what type of leukemia
CLL
Present like CLL but no lymphadenopathy
hair cell - B cells gone array
Peripheral smear = Hairy cell present
what type of leukemia
hairy cell
hair cell luekemia leads to infiltration of ?
spleen, liver, bone marrow -> pancytopenia
abnormal IgG that leads to -> Neoplastic proliferation of plasma cells -> plasmacytoma -> immune complex deposition in BM
MM
bone pain worse w/ ROM is a symptom of
MM
MM shoes INC ___ but a LOW ____ level.
protein
albumin
In MM the peripheral smear will show
rouleaux formation
we would order a serumPEP and urine PEP when checking for
MM
This disorder presents with CRAB
define CRAB and name disorder
MM
hypercalcemia
renal insufficency INC Cr
anemia
bone disease (lytic bone lesions)