Haematology Flashcards
Female aged 39 treated for breast cancer 4 years previously. Recent onset jaundice and hepatomegaly GP bloods: -Hb 87g/l -Reticulocyte 15 x 10^9/L (20-92) -Bilirubin 50 micromol/l conjugated -DAT negative -Nucleated RBCs on blood film What is the most likely explanation for this anaemia? A. Iron deficiency anaemia B. Anaemia of chronic disease C. Bone marrow matastases from breast cancer D. MAHA E. Autoimmune haemolytic anaemia
C. Bone marrow metastases from breast cancer.
45 year old male. 3 weeks history of sore throat Recent episode of shingles EBV igG serology positive FBC: -Lymphocytes raised -Neutrophils normal -Film: reactive lymphocytes no abnormal cells -Monoclonal, kappa only Most likely diagnosis? A. B cell acute lymphoblastic leaukaemia B. Mature B cell lymphoproliferative disorder e.g. CLL C. Infectious mononucleosis D. T cell acute leukaemia lymphoma
B. Mature B cell lymphoproliferative disorder e.g. CLL
Which one of the following about MDS is true?
A. Myelodysplasia has a bi-modal age distribution
B. The primary modality of treatment of MDS is by intensive chemo
C. One third of MDS patients can be expected to die from leukaemic transformation
D. There is no good correlation between the severity of the cytopenias and the overall life expectancy
E. White cell function is frequently well preserved in MDS
C. One third of MDS patients can be expected to die from leukaemic transformation
Regarding aplastic anaemia- which one is true?
A. Immunosuppressive therapy is only used to treat a minority of patients with AA
B. If treated with immunosuppression, then relapse of AA occurs in less than 15% of cases
C. The cure rate of AA treated by sibling related allogeneic SCT in a patient under 40 years old is >70 %
D. Severe AA is differentiated from non-severe AA on the basis of the acquired cytogentic abnormalities in the BM
E. Leucodepletion of cellular blood products is only exceptionally undertaken for patients with AA
C. The cure rate of AA treated by sibling related allogeneic SCT in a patient under 40 years old is >70 %
Which one of the following is true?
A. Telomeric shortening is a feature of both idiopathic AA and dyskeratosis congenita.
B. Development of malignancy is an uncommon complication of Fanconi anaemia
C. Single genetic defect has been identified as the underlying cause for Fanconi anaemia
D. Fanconi anaemia is usually inherited in an autosomal dominant fashion.
E. Telomeric function is considered to be unimportant in the pathophysiology of Dyskeratosis Congenita
A. Telomeric shortening is a feature of both idiopathic AA and dyskeratosis congenita.
Chronic HTLV-1 is associated with an increased risk of which type of lymphoma?
Adult T cell leukaemia lymphoma
Chronic HIV infection is associated with an increased risk of which type of lymphoma?
High grade B cell non Hodgkin Lymphoma
H. pylori is associated with an increased risk of which type of lymphoma?
Gastric MALT lymphoma (marginal cell lymphoma)
If a Blood group O RhD positive patient was transfused A RhD negative red cells, what sort of transfusion reaction would occur?
Acute haemolytic transfusion reaction
What is the probability of finding an HLA donor if the patient has 2 siblings?
44%
The role of conditioning in an allogeneic transplant is to: A. Eradicate the malignancy B. Suppress the patient C. To make space for the incoming cells D. All of the above E. None of the above
D. All of the above
Which of these is a risk factor to develop Graft vs Host disease?
A. Degree of HLA disparity
B. Recipient age
C. Gender combination of recipient and donor
D. Stem cell source
E. All of the above
E. All of the above
Newborn babies, in contrast to adults have: A. A higher Hb B. A lower WBC C. Smaller red blood cells D. The same percentage of HbF
A. A higher Hb
Complications of sickle cell anaemia that are more common in adults than children include: A. Hand-foot syndrome B. Hyposplenism C. Red cell aplasia D. Splenic sequestration E. Stroke
B. Hyposplenism
Siblings with sickle cell anaemia present simultaneously with severe anaemia and a low reticulocyte count - likely diagnosis? A. Splenic sequestration B. Parvovirus B19 infection C. Folic acid deficiency D. Haemolytic crisis E. Vitamin B12 deficiency
B. Parvovirus B19 infection
A 6 year old Afro Caribbean boy presents with chest and abdominal pain; Hb is 63g/l, MCV 85fl and blood film shows sickle cells- likely diagnosis?
A. Sickle cell trait
B. Sickle cell anaemia
C. Sickle cell/beta thalassaemia
B. Sickle cell anaemia
A 1 year old boy present with joint bleeding, Hb, WBC and platelet count are normal, aPTT is prolonged, PT is normal, bleeding time normal-most likely diagnosis? A. Haemophilia A B. Haemophila B C. Von Willebrand disease D. TTP E. Taken his mothers warfarin tablets
A. Haemophilia A
A 5 year old boy of Indian ethnic origin presented with lymphadenopathy and a mediastinal mass on chest radiology.
WBC 180
Hb 93
Platelet 43
1. What is the most likely diagnosis?
2. What is the mediastinal mass?
3. What is the best technique to confirm the diagnosis?
- ALL
- The mediastinal mass is the thymus, which is infiltrated by T lymphoblasts
- Immunophenotyping
N.B very high white blood count in a child = leukaemia
The risk of thrombosis is increased by: A. Reduced prothrombin B. Thrombocytopenia C. Reduced Protein C D. Elevated antithrombin E. Increased fibrinolysis
C. Reduced protein C
Which factor confers the highest risk of thrombosis? A. Factor V Leiden B. Antithrombin deficiency C. Family history of thrombosis D. Reduced Factor VIII level E. 3 hour plane flight
B. Antithrombin deficiency
Which agent has a delayed anti-coagulant effect? A. Vitamin K B. Unfractionated heparin C. Warfarin D. LMWH E. Aspirin
C. Warfarin
How does warfarin achieve its anticoagulant effect?
A. Reduction of plasma protein C and Protein S
B. Blocks phospholipid synthesis
C. Reduction of plasma procoagulant factors
D. Acts as a cofactor for antithrombin
E. Inhibits Factors II, VII, IX and X
C. Reduction of plasma procoagulant factors
Which patient is most likely to benefit from long term anticoagulation after their DVT?
A. 57 year old man after flying to Moscow
B. 27 year old woman during pregnancy
C. 33 year old woman on OCP
D. 77 year old man after hip replacement
E. 30 year old man after a long walk
E. 30 year old man after a long walk
A 32 year old woman developed a DVT after removal of ovarian cyst. Her father and brother had DVTs in the past. What is the next most appropriate step?
A. Test for antithrombin deficiency
B. Recommend HRT
C. Start on long term anticoagulation
A. Test for antithrombin deficiency