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10 Cards in this Set
- Front
- Back
Autoimmune Dysfunction
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assoc. w/ a loss of self-tolerance, resulting in immune reactions directed against host tissue
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Mechanisms of autoimmunity
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1- Release of normally sequestered antigens (sperm)
2- Sharing of antigens between host and pathogen 3- Defects in functions of helper or suppressor T cells 4- Persistence of autoreactive T and B cells 5- Presence of specific autoab |
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Systemic Lupus Erythematosus
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Connective tissue dz mainly affects the blood, joints, skin and kidneys
1. Occurs predominately in women of childbearing age |
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SLE Pathogenesis
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Polyclonal B-cell acivation, sustained estrogen activity , environmental triggers
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SLE Clinical Findings
Hematologic |
Autoimmune hemolytic anemia, thrombocytopenia, leukopenia
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SLE Clinical Findings
Lymphatic |
1. Generalized painful LAD
2. Splenomegaly |
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SLE Musculoskeltal Findings
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Small-joint inflammation (e.g., hands) w/ absence of joint deformity
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SLE Skin Findings
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1. Immunocomplex deposition along basement membrane
--Prodces liquefactive degeneration 2. Malar Butterfly Rash |
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SLE Renal Findings!
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Diffuse proliferative glomerulonephritis ( most common glomerulonephritis)
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SLE Cardiovascular
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1. Fibrinous pericarditis w/ or w/o effusion
2. Libman-Sacks endocarditis (sterile vegetations on Mitral valve0 |