Haematology Flashcards

1
Q

What is a lymphoblastic and a lymphocyte?

A

Lymphoblast- precursor lymphocyte

Lymphocyte- immune cells

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2
Q

What is haematopoiesis and where does it occur?

A

Formation of the cellular components of the blood

Occurs in the bone marrow

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3
Q

What is arrested differentiation?

A

CD19+CD10 + phenotype “common” ALL

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4
Q

Where does initiating translocation occur?

A

Within the B cell progenitor rather than the HSC

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5
Q

Describe cancer in proliferation;

A

Replicative immortality

Sustain proliferation signalling

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6
Q

Describe ALL in proliferation(

A

Accumulation of lymphoblastic within the bone marrow

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7
Q

What is ALL?

A

Acute lymphoblastic leukaemia

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8
Q

Describe the first hit in the ‘two hit’ model;

A

Common

Pre-leukaemic clone

Potent cell

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9
Q

Describe the second step in the ‘two hit’ model;

A

Translocation to ALL

infections

2-15 years

Gene deletion/mutation

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