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Diagnostic criteria of SLE. Adapted from Tan et al, 1982 [1]. A person is said to have SLE if he/she meets any 4 of these 11 criteria simultaneously or in succession |
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| Criterion |
Definition/examples |
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| 1. Malar rash |
Fixed erythema over the malar eminences, tending to spare the nasolabial folds |
| 2. Discoid rash |
Erythematosus raised patches, may scar |
| 3. Photosensitivity |
Skin rash as a result of unusual reaction to sunlight |
| 4. Oral ulcers |
Usually painless |
| 5. Arthritis |
Non-erosive: Jaccoud's arthropathy |
| 6. Serositis |
a) Pleuritis – pleuritic pain, pleural rub, pleural effusion b) Pericarditis – ECG changes, rub, pericardial effusion |
| 7. Renal disorder |
a) Proteinuria (> 3+ or 0.5 g/day) b) Cellular casts in urine |
| 8. Neurological disorder |
a) Seizures b) Psychosis |
| 9. Haematological disorder |
a) Haemolytic anaemia b) Leukopaenia c) Lymphopaenia d) Thrombocytopaenia |
| 10. Immunological disorder |
a) Anti-DNA antibodies b) Anti-Sm antibodies c) Anti-phospholipid antibodies |
| 11. Anti-nuclear antibody |
Exclude drug causes |
Manson and Rahman Orphanet Journal of Rare Diseases 2006 1:6 doi:10.1186/1750-1172-1-6 |
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