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10 Cards in this Set

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