rheumatology Flashcards
DIP, PIP, 1st CMC, knees, hips, first MTP, cervical/lumbar
OA
Cartilage disease
OA
OA: DIP/PIP/MCAP/CMC/Wrist?
DIP/PIP/CMC
RA: DIP/PIP/MCAP/CMC/Wrist?
PIP/MCP/Wrist
OA: Inflam/noninflam
non inflammatory
Inflammatory diseases include:
RA, cyrstals, spondyloarthropathies, SLE, vasculitis, polymyositis, dermatomyositis
Pseudogout: Synovial fluid is _____?
inflammatory with Ca pyophosphate crystals - rhomboid, birefriengent positive
Exercise is good
OA
OA: cytokines
IL1, NO, PG, TNFa, IL6, IL17, IL18
complement activation, adipokines
OA
Symmetric synovitis
RA
Shared epitope
RA
QKRAA, HLA DR4/1
RA
RF IgG immune complex
RA
Citrulline - antiCCP ab
Ra
Modulation/amplification of local immune response - antigen recognition
RA
MSU
Gout
Purine
gout
Uricase
lacks –> gout
Gout cuased by overproductin/underexcretion?
underexcretion
Gout Diagnosed
arthrocentesis
Needle, negative brefirngent
Grout
PPi metabolism from chondrocutes
pseudogout
Rhomboid, positive birefringent
pseudogout
apolipoprotein B coating inhibits phagocytosis
pseudogout
Sacroilitis
spondyloarthropathies
Enthesitis
spondyloarthropathies
spondyloarthropathies synovium
TNF alpha
spondyloarthropathies HLA?
HLA-B27 2%; relative 20%
Lower extremity arthritis
reactive arthritis
dactylitis
reactive arthritis
misdirected recognition of self as foreign
SLE
ANtigen driven CD4 T cells
SLE
B cell autoreactive stimulation - peripheral abnormalities
SLE
polygenic C4A null allele/HLADR3
SLE
ANA +
SLE (95%)
Ab to platelets
SLE - clotting
IMmune complex = immuno floresencents
lumpy bumpy
Palpable purpura
vascular permeability
antigen driven vascular inflammation
vasculiity
cANCA
PR3 - GPA wegners
PR3, GPA wegners – _ ANCA
c
pANCA
MPO, microscopic polyangitis MPA
MPO, microscopic polyangitis MPA
pANCA
intersitial lung disease
PM/DM
ANti-aminoacyl tRNA synthetase
cytoplasm
Anti-jo-1
antihistadyl tRNA synthease
CD8 endomysial distribution
PM
CD4 - perivascular
DM
Culture of DM/PM
no live cultures can be done