Haematology Flashcards
Management of iron overload?
Deferoxamine
Why is hydroxyurea used in sickle cell disease?
Promotes the production of HbF as people with sickle cell disease can’t produce normal haemoglobin.
What is emicizumab?
A monoclonal antibody that can independently activate Factor 10 by binding it with Factor 9 therefore no need for Factor 8. Given to children with Haemophilia A.
Which cell has CD19 and CD20 on them?
B cells
Which cells have CD2, CD3, CD4 and/or CD8 on them?
T cells
What are considered high risk in ALL?
Initial WCC>50
Hypodiploid
t(9;22) BCR-ABL
t(v;11q23)
Poor response to initial induction chemotherapy (most powerful prognostic factor)
Good prognostic features in ALL?
Hyperdiploid
Trisomy 4, 10
t (21;21) ETV6-RUNX1
What is the mechanism of imatinib/dasatinib in ALL?
Tyrosine kinase inhibition in Ph+ (t(9,22)) ALL
What is the treatment for AML?
High dose cytarabine
What is the characteristic feature seen on histology slides in AML?
Auer rods
What is acute promyelocytic leukaemia treated with?
ATRA (Retinoic acid - high dose Vitamin A) and arsenic if low risk
Which type of leukaemia has the greatest risk of DIC?
APML (FAB M3) - t (15,17)
What would a bilobed nucleus on a histology film suspected of leukaemia be suspicious for?
APML
Staging for lymphoma?
– Stage I is involvement of a single lymph node region (I) or single extralymphatic site (Ie);
– Stage II is involvement of two or more lymph node regions
on the same side of the diaphragm (II) or of one lymph node region and a contiguous extralymphatic site (IIe);
– Stage III is involvement of lymph node regions on both
sides of the diaphragm, which may include the spleen (IIIs) and/or limited contiguous extralymphatic organ or site (IIIe, IIIes);
– Stage IV is disseminate involvement of one or more extralymphatic organs
5 year old girl presents with a 2 day history of abdominal pain and palpable abdominal mass. Previously presented 2 months earlier with intussusception. Small palpable cervical lymph nodes and RLQ mass palpable on examination?
Burkitts Lymphoma