The study aims to include all children fulfilling the diagnostic criteria of SLE (The European League Against Rheumatism and The American College of Rheumatology (9)) attending to pediatric rheumatology and immunology clinic at Sohag University Hospitals during the study period.
You may not be if
Children with other rheumatological disorders.; Neonates (infants \> 1 month) Children with other neuropsychiatric disorders not attributed to SLE ( e.g. infection, metabolic disorders or side effects of drugs).
