Haemotology Flashcards
Coagulation test most sensitive to presence of Dabigatran?
Thrombin clotting time
Changes that occur in the haemostatic system in chronic liver disease
Decreased protein C level
Reduced platelet count
Elevated von Willebrand factor levels
Decreased factor VII levels
Anaemia of chronic disease
Low serum iron levels
Reduced red cell survival
Increased hepcidin levels
Decreased erythroid response to EPO
BCR-ABL t(9;22)
CML
Philadelphia chromosome
Cyclin D1 t(11;14)
Mantle Cell Lymphoma
C-myc t(8;14)
Burkitt Lymphoma
JAK 2 V617F
Polycythemia Vera
Essential thrombocytopenia
Idiopathic myelofibrosis
JAK2 Exon 12
Myeloproliferative syndrome
cKIT D816V
Systemic mastocytosis
Role of Hepcidin in modulating iron balance
Hepcidin acts to decrease intestinal iron absorption by causing the down regulation of ferroportin on the basolateral membrane of enterocytes
t(8;21)
AML
t(9;22)
Philadelphia chromosome
Creates a BCL-ABL1 fusion gene that codes for a constitutively active TKR
Present in 95% CML
Poor prognostic indicator in ALL
t(11;14)
Mantle Cell Lymphoma
C5 positive / CD23 negative
Poor prognosis
t(15;17)
Acute promyelocytic leukaemia (APML)
Responds to trans retinoic acid (vitamin A)
t(12;15)
Secretory Breast Cancer - rare; good outcome