Heme/Onc Flashcards
most common inherited cause of hyper coagulability
Factor V Lediden
presence of kappa or lambda light chain proteins on urine electrophoresis
Multiple Myeloma
Rouleaux formation of RBCs
punched out lesions on Xray
hypercalcemia
Multiple Myeloma
medication that increases fetal Hgb levels, increases water content of RBCs and decreases sickling deformity of RBCs
Hydroxyurea
hemolytic anemia
venous thrombosis of large vessels
pancytopenia
CLASSIC FOR…
Paroxysmal nocturnal hemoglobinuria
Auer Rods seen, think..
AML
What is prolonged in Hemophilia B (Christmas dz)
PTT
Hemophilia B effects factor IX, which is part of intrinsic pathway..therefor PTT prolonged
10 yo African American male put on trimethoprim-sulfamethoxazole twice daily for a UTI. Comes back later with pallor, abdominal pain and back pain. Peripheral smear has SHISTOCYTES and HEINZ BODIES. Dx?
G6PD deficiency
Which drug is the initial management of choice for heparin induce thrombocytopenia?
Argatroban
Common presentation of sickle cell anemia in children under 2?
Dactylitis
C282Y HFE genotype associated with
Hemochromatosis
Thrombotic Thrombocytopenia Purpura is a disorder of ______
Platelets
Platelets are part of the ______ pathway
Primary coagulation
PTT and PT in Thrombotic Thrombocytopenia Purpura
Both normal!!
Decreased ADAMTS13 serum levels found in…
Thrombotic Thrombocytopenia Purpura (TTP)
Positive neurological symptoms
Schistocytes on periph smear
Thrombotic Thrombocytopenia Purpura (TTP)
69 yo male develops HA, fevers, purpuric rash. CSF pos for gm neg bacteria. Few hours later, pt develops spontaneous bleeding @ venipuncture site. Initial labs.. elevated PT, PTT, INR. Also showed decreased fibrinogen levels. What is diagnosis?
disseminated intravascular coagulation (DIC)
Pathological activation of coagulation system, leading to widespread microthombi and a subsequent phase of severe thrombocytopenia
DIC
Associated w thrombosis, widespread hemorrhages
DIC
Common after gm negative bacterial infections
DIC
Can be brought on by malignancy, OB complications, massive tissue injury, rocky mountain spotted fever, liver dz, aortic aneurysm, acute respiratory syndrome
DIC
PT, PTT, INR in ITP and TTP
should all be normal!
Non contiguous, extra nodal spread
Non Hodgkins Lymphoma
Bimodal distribution of increased incidence in 3rd and 6th decades
Reed Sternberg cells
Painful lymph nodes w ETOH ingestion
Hodgkins Lymphoma
Associated w EBV
Burkitts Lymphoma
What happens to serum ferritin levels in Anemia of Chronic Dz
INCREASES!
Philadelphia Chromosome (translocation between chromosome 9 and 22) seen in..
CML
First line therapy for TTP
Plasmapheresis (plasma exchange therapy)
..this removes all excess ADAMTS 13 anitbodies and replaces ADADMTS 13
If AML pt is receiving chemo and develops tumor lysis syndrome as a complication, what drug can be given?
Allopurinol