“…( Badsha et al, 2004;Eagen et al, 1978;Zamora et al, 1997) Its prevalence among SLE patients ranges between <2% and 5.4 % (Santos-Ocampo et al, 2000;Zamora et al, 1997), and the mortality rate ranges between 50% to 90%. ( Erickson et al, 1994;Schwab et al, 1993) Usually it occurs in established disease, especially with lupus nephritis.…”