Systemic lupus erythematosus (SLE) is a multisystemic disorder, one of several diseases known as ‘the great imitators,’ because it often mimics or mistaken for other illnesses. SLE symptoms vary widely and appear disappear unpredictably. Diagnosis can thus be elusive, with some patients having unexplained untreated years. Autoimmunity plays major role in the pathogenesis nephritis (LN). LN most...