Connective Tissue Diseases Flashcards
what are autoantibodies
antibodies generated by the immune system against the bodys own proteins
what is another name for conditions with auto-antibody production
seropositive conditions
condition associated with anti-CCP antibody
rheumatoid arthritis
conditions associated with anti-nuclear antibody (5)
SLE
sjogrens
systemic sclerosis
MCTD
autoimmune liver disease
condition associated with anti-double stranded DNA antibody
SLE
condition associated with anti-Sm antibody
SLE
conditions associated with anti-Ro antibody
SLE, sjogrens
condition associated with anti-La antibody
sjogrens
condition associated with anti-centromere antibody
systemic sclerosis (limited)
condition associated with anti-Scl-70 antibody
systemic sclerosis (diffuse)
condition associated with anti-neutrophil cytoplasmic antibody
small vessel vasculitis
who is SLE more common in
Women
Asian, African, Caribbean and Hispanic ethnicity
Young to middle-aged adults
pathophysiology of SLE
anti-nuclear antibodies generate a chronic inflammatory response
name some non-specific symptoms of SLE
malar rash - worsened by sunlight
joint pain
muscle pain
non-scarring alopecia
raynauds
jaccouds arthropathy
describe the arthritis seen in SLE
synovitis or tenderness of at least 2 joints with >30 mins of early morning stiffness
what is jaccouds arthropathy
non-erosive reversible joint disoder
name a renal complication of SLE
nephritis
what is the first line inevstigation for SLE
antinuclear antibody titre
name some antibodies that may be tested for if ANA positive in suspected SLE
anti-dsDNA
anti-Ro
anti-smith