Cancer Flashcards
polyclonal definition
normal haemopoiesis
monoclonal definition
malignant haemopoiesis
Monoclonal = Malignant
what is lymphoma a cancer of
lymph notes/lymphatic tissues eg gut/tonsils
what are the 2 categories of lymphoma
hodgkins lymphoma
non hodgkins lymphoma
what CD does rituximab work on
CD20+ (non hodgkins lymphoma)
CD30+
hodgkins lymphoma
reed Sternberg cells
hodgkins lymphoma
which group of females get hodgkins lymphoma
young females
treatment of Hodgkins lymphoma
chemo (not rituximab bc not CD20+ which rituximab works on)
CD30+
reed Sternberg cells
hodgkins lymphoma
types of non hodgkins lymphoma (4)
burkitts lymphoma
low grade B cell non hodgkins lymphoma
high grade B cell non hodkinslymphoma
T cell non hodgkins lymphoma
which translocation causes burkitts lymphoma
translocation 8;14
African kid with history of EBV
tumour in face jaw
burkitts lymphoma
which one of high/low grade non hodgkins lymphoma is curable
high grade non hodgkins lymphoma
which one of high/low grade non hodgkins lymphoma is slowly progressive
low grade non hodgkins lymphoma
which one of high/low grade non hodgkins lymphoma has fast progression and is aggressive
high grade non hodgkins lymphoma
which one of high/low grade non hodgkins lymphoma is not curable, just treatable
low grade non hodgkins lymphoma
prognosis of low grade non hodgkins lymphomoa
likely remission then relapse
treatment of all non hodgkins lymphoma
chemo - rituximab (works on CD20+)
CD20+
non hodgkins lymphoma
presentation of lymphoma
night sweats
weight loss
lympahdenopathy
alcohol induced pain
hodgkins lymphoma
night sweats
weight loss
lymphadenopathy
lymphoma
investigations for lymphoma (2)
FBC
lymph node excision biopsy - tale out whole thing
what test can you do after biopsy of lymph node
what are you looking for
immunohistochemistry - for CD30+/CD20+/reed Sternberg cells
complications of lymphoma
can spread to bone marrow
where is leukaemia the cancer of
blood/bone marrow
blast cells on film
acute or chronic leukaemia
acute leukemia
where is the malignancy in acute leukaemia
in the blast cells (immature blood cells) in the bone marrow
which type of leukaemia (acute or chronic) is aggressive
acute
rapid progression of symptoms
Acute = Aggressive
what does abnormal blast cells in acute leukaemia cause
failure of maturation of mature cells = stuck as blasts
which group of people get AML
> 60yo
what is the problem in AML
what does this cause
problem in the myeloid progenitor cells = no mature cells in the myeloid lineage are made (RBCs/platelets/granulocytes/macrophages)
which cells are not produced in AML
which cells are produced in AML
RBCs/platelets/granulocytes/macrophages - not produced
blast cells produced
histology of AML
auer rod cells - bilobed large mononuclear cells
presentation of AML
anaemia, bleeding, infections
AML subtype with DIC/intracranial hemorrhage
acute promyelocytic leukaemia
auer rod cells
AML
management of AML and ALL
chemo
what type of infections are people with neutropaenia susceptible to
Gm-ve infections
prognosis of AML
remission and relapse likely
think about granda, got better then got worse
most common childhood cancer
ALL
what is the problem in ALL
what does this cause
problem in the lymphoid progenitor cells = no mature cells in the lymphoid lineage are made (mature T cells/B cells/ NK cells/macrophages)
presentation of ALL
anaemia, bleeding, infections
bone pain
leukaemic effects - CNS and testes involvement (diff form AML)
who gets ALL
children
main difference between AML and ALL
AML - >60yo
ALL - children
prognosis of ALL
% survival
good in children (90% survival rates)
what do blast cells look like
what type of cancer do they occur in
large nucleus
occur in acute leukaemias
how do you tell the difference between AML and ALL (investigation)
immunophenotyping of bone marrow - see which lineage the cells came from, lymphoid or myeloid
Philadelphia chromosome
CML
BCR-ABL gene
CML
T9:22 gene translocation
CML
which type of leukaemia is a myeloproliferative disorder
CML
in chronic leukaemia what happens
problem in progenitor cells (myeloid or lymphoid) but cell maturation is still normal
so mature cells are still produced, just are abnormal
asymptomatic/accidental diagnosis leukaemia
CML (bc slow)
lymphoblasts leukaemia
ALL
myeloblasts leukaemia
AML
in CML what does the BCR-ABL gene cause (a target for therapy)
tyrosine kinase = abnormal cell division
abnormal granulocytes leukaemia
CML
bc granulocyts are myeloid lineage
chronic bc they are produced, just abnormal (acute would be blasts)
which MSK condition is common in CML
why
gout - bc of increased cell turnover
CML treatment
tyrosine kinase inhibitors eg imatinib
chemo
bone marrow transplant if young
imatinib drug class
tyrosine kinase inhibitor
which type of leukaemia affects blood and lymph nodes (rest only blood) hence risk of lymphoma
CLL
laeukamia associated with warm autoimmune haemolytic anaemia
CLL
small mature B cells (small bc abnormal) leukaemia
CLL
bc B cells are lymphoid lineage
chronic bc they are produced, just abnormal (acute would be blasts)
CLL management
chemo
idealisib