RESUMEN
Objective:To summary the clinical features of 8 cases with ankylosing spondylitis (AS) complicated with systemic lupus erythematosus (SLE).Methods:This study was conducted retrospectively from January 2007 to November 2018. Eight patients with AS complicated with SLE who were admitted to Foshan Hospital of TCM were analyzed. Bath ankylosing spondylitis disease activity index (BASDAI) was compared using t-test. Results:Four patients were female. The mean age was (31±14) years, ranged from 16 to 59 years. The average disease duration of AS was (27±30) months(ranging from 4 to 144 months). The average disease of duration SLE was (69±51) months (ranging from 1 to 80 months). All patients was human lymphocyte antigen (HLA)-B27 positive. SLE-related organ involvement included kidney in 5 cases, leukocytopenia in 8 cases, arthralgia in 6 cases, nervous system in 1 case and skin rash in 3 cases. Renal biopsy were performed in 3 patients. And 2 cases were class Ⅲ+Ⅴ lupus nephritis, another one was class Ⅳ+Ⅴ lupus nephritis.Conclusion:AS may complicated with SLE. Some drugs may be able to active the potential SLE, which should be differentiated from drug-related lupus.