Dani - immunopathology II Flashcards
___ ___ ___: autoimmune disease of CT that involves mutliple systems
systemic lupus erythematosus
SLE = ___ ___ ___
systemic lupus erythematosus
SLE occurs __:__
1:2500
ratio of females to males for SLE
9:1
onset of SLE occurs __-___
20-40
2 genetic factors for SLE
- ____ incidence
- ___-___ and ____
familial
HLA-DR2; DR3
SLE immunological factors
- deficiency of ___ T-Cells
- hyperactive ___ T-Cells
- abnormal __-Cells
suppressor
helper
B
SLE is drug induced by 2 types of drugs
hydralazine
procainamide
SLE happens in ___ infections
viral
SLE is exacerbated by ___
pregnancy
SLE
- autoimmune disease: ___ antibodies against several nuclear antigens –> react with nuclei of damaged cells (cannot penetrate ___ cells)
antinuclear
intact
SLE
- activation of complement –> inflammatory lesions (type ___ hypersensitivity)
III
LE bodies =
fragmented nuclei
LE cells
macrophages engulfing bodies
blood vessels in SLE
- acute ___ of small arteries and arterioles due to deposition of immune complexes
- __ and ___ deposits within vessel wall
- later, ___ thickening with luminal narrowing
- perivascular ___ infilterate
vasculitis
necrosis; fibrinoid
fibrous
lymphocytic
3 effects of SLE on the heart
pericarditis
myocarditis
endocarditis
endocarditis in SLE = ___-____
libman-sacks
libman-sacks:
- multiple, small, sterile, flat vegetations, detachable –> ___
embolization
kidneys remain normal in ____ patients with SLE
few
kidney in SLE
-_____ glomerulonephritis: increased cellularity of mesangial matrix
mesangial
kidney in SLE
- ____ ____ glomerulonephritis: hypercellularity, but no all focal glomeruli, due to proliferation of endothelial and mesangial cells; present with hematuria, proteinuria, and mild renal insufficiency
focal proliferative
kidney is SLE
- _____ ____ glomerulonephritis: most serious, all glomeruli involved; hematuria, proteinuria, hypertension and renal insufficiency
diffuse proliferative
kidney in SLE
- ___ glomerulonephritis: thickening of capillary wall –> massive proteinuria
membranous
glomerulus with thickened pink capillary loops = ____ ____
wire loops