RT Journal Article SR Electronic T1 Bullous tophi in gout. JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 91 OP 93 DO 10.1136/ard.36.1.91 VO 36 IS 1 A1 H R Schumacher YR 1977 UL http://ard.bmj.com/content/36/1/91.abstract AB Two gouty patients developed bullae containing massive numbers of monosodium urate crystals. Both patients had had treatment with systemic corticosteroids. A burn precipitated one bulla, showing that local tissue injury can be a factor in tophus localization.