RT Journal Article SR Electronic T1 Multiple microcrystal deposition disease in a patient with systemic lupus erythematosus. JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 498 OP 502 DO 10.1136/ard.43.3.498 VO 43 IS 3 A1 M A Rodríguez A1 H Paul A1 I Abadí A1 J R Bravo A1 P Armas YR 1984 UL http://ard.bmj.com/content/43/3/498.abstract AB A 17-year-old female patient with systemic lupus erythematosus (SLE) developed chronic tophaceous gout, chondrocalcinosis and articular capsule calcification in several joints. Analysis of synovial fluid and tophi revealed the coexistence of monosodium urate, calcium pyrophosphate, hydroxyapatite, and cholesterol crystals.