Hematology Flashcards
Polycythemia Vera sxs
Increased red cells, increased plts and white cells
Fatigue Headache Hand/foot burning Itching w/ blue/red skin discoloration tinnitus blurred vision Thrombosis from platelet aggregation
Secondary polycythemia causes
OSA
COPD
CO2
High altitude
CML
“Philadelphia chromosome”
Increases with age
Fatigue, nights sweats, fevers
High WBCs > 150,000 sight left shift
Tx: imitinib
CLL
65 or elderly man
Lymphs on diff
SMUDGE cells Splenomegally Lymphadenopathy Pallor Tx: no therapy needed, good prognosis
AML
Pancytopenia w/ blasts
Bone marrow biopsy to distinguish type (8 subtypes)
AUER RODS
Acute onset, rapid increase in PMNs
Fever, weak, bone pain, pallor, lymphadenopathy, bleeding
Tx : chemo
ALL
3-7 yo kid
80% childhood leukemias
Bleeding, fatigue, sob, bone pain
Cure 80%
Multiple myeloma
Older male >65 Fractures, bone pain, anemia Renal failure "Bence jones proteins" No fever, no splenomegaly
Tx: chemo/stem cell tx
Thalassemia
MCVs very low… 50s
“Target cells”
Alpha : huge spleens
Beta: Greeks, Italian
Tx: Regular RBC transfusion
Sideroblastic anemia
Kids with Lead poisoning
“Basophillic stippling” on smear
Episodic paralytic ileus
Tx: remove exposure
B12 deficiency anemia
High MCV, high RDW Megaloblastic Glossitis Anorexia Diarrhea paresthesias AMS "Positive schillings test"
Folate deficiency
High MCV
High RDW
“Howell-jolly bodies”
Hemolytic anemia
Increased retic count
No bleeding
Indirect (Unconjugated) bilirubinemia
G6PD
Deficiency
Causes hemolytic anemia
“Heinz bodies”
Hodgkin’s lymphoma
15-35 yo young adult -most common
"Reed sternberg cells" Painless, rubbery lymphadenopathy in neck Wt loss / sweats Tx: chemo / radiation Fairly good prognosis
Non-hodgkins lymphoma
Painless lymphadenopathy that is more wide spread. Wt loss and drenching night sweats Dx: lymph node biopsy Tx: chemo radiation 6-8 yr prognosis