Block 4 highish yield Flashcards
Don’t let the sun set on…
AML M3
Most common leukemia in adults
CLL
CLL
mutated Ig Vh genes
better prog
Elevated B2 microglobulin
soluble CD23
CD38+
ZAP-70+
poor prog in CLL
13q-
best prog in CLL
17p-
worst prog in CLL
acts like mantle cell
CD38+
unmutated Ig genes = poorer prog CLL
NIGHT SWEATS
CLL
CTLA-4
binds B7
prevents runaway T-cell activity
Location of MHC I synthesis
RER
TAP 1 and 2
gets antigen into RER for upload on MHC I
ERAAP
inside RER
helps load antigen onto MHC I
Location of antigen loading onto MHC II
late endosome
“place holder” on MHC II
invariant chain
part of digested invariant chain left in MHC II
CLIP
replaces CLIP with antigen on MHC II
HLA-DM
inhibits HLA-DM
HLA-DO
location of invariant chain loading onto MHC II
RER
licenses DCs to cross present
CD40–CD40L
CD40 on what cell
DC
CD40L on what cells
Th’s
MHC II expression stimulated by
INF-y
TdT alone
early pro-B cell
TdT and CD45R
intermediate pro-B-cell
CD45R
downregulated TdT
Late pro-B cell
receptor for B cell growth and differentiation
CD45R
pro-B cell, chain recombination?
H-chain
DJ–VDJ
pre-B cell, chain recombination?
L-chain
V-J
**small pre-B cell
cytokine for B cell division and differentiation
IL-7
Btk
Bruton’s tyrosine kinase
XLA
no/few B-cells
reduced serum IgG, memory B cells
CVID
Prototypical TI-1 antigen
T cell independent
LPS
TI-2 antigen
large polysaccharides
TLR4 TI 1 B cell activation
polyclonal
BCR TI 1 B cell activation
clonal
B1 B cells bind type 2 TI antigens via…
cross-linking of BCR
clonal
“handcuffs” T-cell to APC —> too many Th1’s!
superantigen
CTL-Ps activated by..
licensed APCs
APCs licensed by…
Th1
Th17
PAMP+TLR
CTL-P activation molecules (4)
TCR–MHC I
CD28–CD80/86
no IL-2 or CD25(IL-2R)
high L-selectin and CCR7
low CD44 and LFA-1
naive CTL-P
CTL-P homing and retention in the lymph node
CCR7
CTL Effector homing and retention at sites of inflammation
CD44 and LFA-1
LFA-1
on CTL
binds ICAMs on target cell
most effective NKs at killing target cells
CD56 low
NK activity stimulated by:
INF-a INF-B INF-y TNF-a IL-15
CD16
NKs
recognizes IgG
only inhibitory NK lectin-like receptor
CD94 aka NKG2A
**trumps everything
only activating NK immunoglobulin-like receptor
KIR2DS1
activation of NK cell
must bump into inhibitory signal at least once
CMD
neutrophils
CML
CMD
RBCs
Polycythemia vera
CMD
platelets
Essential thrombocythemia
CMD
everything
Myelofibrosis
Basophilia
CML
Philadelphia
CML
Jak-2 mutation
Polycythemia vera
Plethora (flushing)
Polycythemia vera
high platelet count in YOUNG WOMEN
Essential thrombocythemia
Massive extramedullary hematopoiesis
Teardrop red cells
Chronic myelofibrosis
t(9;22)
CML
BCR-ABL
CML
auto inhibitor of ABL1
Myristate
added from BCR
creates new binding site for intracellular signalling
Tyrosine-177
specific ABL kinase inhibitor
Imantinib
monoclonal plasma cell proliferation
osteolytic lesions
Multiple myeloma
Bence-Jones proteins
Multiple myeloma
stacking of RBCs like coins
rouleaux
multiple myeloma
amyloid in marrow from light chain aggregates
multiple myeloma
Plasma cell tumor
IgM
Waldenstrom macroglobulinemia
classic triad for MM:
anemia
bone pain
renal failure
CD5+ B cells
CLL
bcl-2 rearrangment
CLL
Splenomegaly without lymphadenopathy
TRAP+
Hairy Cell Leukemia
CD25+
CD11c+
CD5-
Hairy Cell Leukemia
T-cell CLL
neutropenia
Large Granulated Lymphocytic Leukemia
Tingible body macrophages
Follicular hyperplasia
Partial effacement
T-cell response to immune stimulus
Interfollicular hyperplasia
Lymphoma
same as CLL
Small Lymphocytic Lymphoma
t(11;14)
Mantle Cell Lymphoma
t(14;18)
Follicular Lymphoma
“butt cells”
Follicular Lymphoma
Cerebriform lymphocytes
Skin lesions
T-cell
Mycosis Fungoides
Large mitotically active B cells
Diffuse Large Cell Lymphoma
Lymphoma same as ALL
Lymphoblastic
Teenage male with mediastinal mass
Lymphoblastic lymphoma
Starry-sky
Burkitt Lymphoma
t(8;14)
Burkitt Lymphoma
Reed-Sternberg cells
Hodgkin Lymphoma
Popcorn cells
Nodular L-P Hodgkin Lymphoma
Lacunar cells
Nodular Sclerosis Hodgkin Lymphoma
Collagen or reticulin background
Lymphocyte depletion Hodgkin Lymphoma
therapy induced lung disease
bleomycin
anti-CD20 “difference maker” tx
rituximab
prototypical agressive NHL
Diffuse Large B Cell
cyclin D+
Mantle Cell Lymphoma
H. pylori
MALT Lymphoma
prototypical T-cell lymphoma
Mycosis Fungoides