Past paper corrections hematology Flashcards
(47 cards)
Child with anaemia, blood film shows spherocytes and DAT+(?)
autoimmune hemolytic anemia
Child with anaemia, blood film shows spherocytes and DAT+(?) What is the cause?
autoimmune hemolytic anemia
Woman has had 2 children, her blood type is A-. Which naturally occurring IgM antibody would be present? (Repeat)
Patient presenting with monocular blindness with extremely high neutrophils (140s) , basophils - what is the diagnosis?
Chronic myeloid leukemia!!
key signs:
-> spleenomegaly!!!
-> vision loss!!!
-> gouty arthritis!!!
What coagulation factor falls most rapidly after starting warfarin?
factor 7
Infants with sickle cell disease (HbSS) may have splenic sequestration. Why does this not occur before 3 months of age?
HbF
Venetoclax is a BCL2 inhibitor used in CLL. What cellular process does it affect?
apoptosis
75 year old woman has neutropenic sepsis secondary to myelodysplasia. Her blood count is lower than it was 6 weeks ago, with marked panyctopaenia.
Blood film shows numerous large cells of primitive appearance. What is the likely explanation?
Progression to AML
M in AML = myelodyplasia
What is the diagnosis, results showed increased IgG lambda but normal kappa lambda ratio, <30g/L -
MGUS!!! (As criteria is)
1.. <10% plasma cells
2. Monoclonal protein spike <30 g/L -> this is IMMUNOGLOBULINS/IgG
- no CRAB symptoms or organ damage
* No evidence of other B-cell proliferative disorder
Person with aortic stenosis. Has some blood transfusions for some reason, on the second unit of blood immediately develops SOB, 85% O2 Sats, JVP elevated by 3cm.
Transfusion related circulatory overload = symptoms of pulmonary edema/fluid overload. Signs of HF = Increased JVP. increased PCWP
What is raised when a cell undergoes haemolysis?-
potassium
Man with positive HTLV1 and other bloods and flower cells, what type of cancer? -
Adult T cell lymphoma
What drug would be given to a patient with CLL with p53 deletion?
ibrutinib
Patient with multiple myeloma, and lights chains >1000. Most likely kidney manifestation?
AL amyloidosis
What is the most common site for a thrombotic event?,
deep leg veins
Bleeding patient has prolonged APTT and PT, but normal platelet count and normal fibrinogen. What is the most suitable blood component for treatment?.
Fresh frozen plasma as anticoagulant reversal is needed. (cryoprecipitate is only used if fibrinogen is low.). Platelets if abnormal platelet count
At what temperature can platelet transfusions be stored?
22 Degrees celsius. Rbcs at 4 degrees.
Lady with macrocytic anemia. Became vegetarian 2 years ago. Most likely cause of patients symptoms?
alcohol
40 year old with confusion, and difficulty speaking. Had a fever and a headache and bleeding from the gums for 10 days. On examination, kidney function had deteriorated, had become oliguric. Blood film shows thrombocytopenia and shistyocytes, what is the most likely diagnosis?
TTP = triad (thrombocytopenia, MAHA, kidney injury) + fever + neurological symptoms
Contrast to HUS = triad + bloody diarrhea
Chronic myeloid leukemia
presentation?
mutation?
high WCC with neutrophila!! And basophilia!!
T(9,22). Philadelphia CreaML cheese.
Chronic lymphocytic leukemia
which mutation makes worse?
TP53
markers of myeloid cells seen in AML?
CD33, CD13, CD117 = myeloid cells.
mpo+ve
Beta thalassemia in a pregnant woman. Most important test to investigate if the future health of fetus is at risk?
chorionic villious sampling
21 year old with beta Thalessemia has been receiving blood transfusion for 6 years. No presents with congestive cardiac failure and gonadal failure. Most likely explanation?
iron overload