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DU PA SLE
Duke PA Systemic Lupus Erythematosus
| Question | Answer |
|---|---|
| with SLE any __ can be involved | organ system |
| cells and organs damaged by __ and immune complexes | autoantibodies |
| __% of all patients with SLE are women | 90 |
| in the US the highest incidence of SLE is in | African American females |
| ultraviolet light: triggers photosensitivity, rashes, drugs: sulfonamides, cigarette smoking, infections: EBV, ?parvo B-19, hormones | environmental factors for SLE |
| systemic/constitutional clinical manifestations of SLE | fatigue, malaise |
| cardiopulmonary clinical manifestations of SLE | pleuritis/pleural effusion, pericarditis/pericardial effusions |
| neuropsychiatric clinical manifestations of SLE | cognitive impairment |
| gastrointestinal clinical manifestations of SLE | hepatitis, pancreatitis |
| dermatologic clinical manifestations of SLE | photosensitivity, malar rash, discoid lesions, alopecia |
| most serious manifestation of SLE | Renal (nephritis) |
| __% of patients with SLE develop nephrotic syndrome as well | 50 |
| in SLE, untreated nephritis can lead to ESRD in __ years | 2 |
| classical arthritis presentation of SLE | polyarthritis similar distribution to RA |
| Fixed erythema, flat or raised over the malar eminences | Malar rash |
| Raised patches with scaling, follicular plugging; scarring of older lesions | discoid rash |
| Unusual rash triggered by sunlight; by history or observation | Photosensitivity |
| Oral or nasopharyngeal; usually painless | oral ulcers with SLE |
| Non-erosive involving ≥2 or more peripheral joints; + tenderness, ± effusion | arthritis with SLE |
| Persistent proteinuria (>0.5g/d or 3+)OR cellular casts | renal disorder with SLE |
| Seizures or psychosis (no other known causes of either) | neurologic disorder with SLE |
| Hemolytic anemia OR leukopenia OR lymphopenia | hematologic disorder with SLE |
| Anti-DNA OR anti-Sm OR+ antiphospholipid antibodies | immunologic disorder with SLE |
| + ANA titer in the absence of any drug known to be associated with drug-induced lupus syndromes | antinuclear antibody |
| order first; best screening test for SLE. 98% prevalence | ANA-antinuclear antibodies |
| high titers diagnostic; may correlate with disease activity. 70% prevalence | dsDNA-double stranded DNA |
| causative drugs: many= antiarrhythmics, antihypertensives, antibiotics, anticonvulsants: hydralazine, procainamide, quinidine, isoniazid, diltiazem, minocycline | Drug-induced Lupus Erythematosus (DILE) |
| Syndrome of + ANA associated with constellation of symptoms including malaise, fever, arthritis (± myalgias), rash, serositis, autoimmune-mediated response more common in Caucasians, renal/CNS symptoms are rare | Drug-induced Lupus Erythematosus (DILE) |
| cimetidine, hydralazine, HCTZ, penicillin, sulfonamides, terbinafine (lamisil) | drugs that precipitate flares of SLE for those that already have it |
| __ occur almost universally in SLE patients | skin lesions |
| annular or papulosquamous | subacute cutaneous lupus |
| discoid lupus | chronic cutaneous lupus |
| Patients with DLE have a __% risk of developing SLE which tends to be mild | 10-15 |
| common sites for Discoid Lupus | face, neck, scalp |
| __ are mainstay treatment of life-threatening manifestations | Systemic glucocorticoids |
| __ used for cutaneous and mild-mod musculoskeletal symptoms | Anti-malarials (mostly hydroxychloroquinine) |