2Khanna D, Fitzgerald JD, Khanna PP, et al. 2012 American Col- lege of Rheumatology guidelines for management of gout. Part 1: systematic nonpharmacologic and pharmacologic therapeutic ap- proaches to hyperuricemia[J]. Arthritis Care Res(Hoboken), 2012, 64(10): 1431-1446.
3Gerster JC, Landry M, Dufresne L, et al. Imaging of tophaceous gout: computed tomography provides specific images compared with magnetic resonance imaging and uhrasonography [J]. Ann Rheum Dis, 2002, 61(1): 52-54.
4Dalbeth N, Clark B, Gregory K, et al. Computed tomography measurement of tophus volume: comparison with physical mea- surement[J]. Arthritis Rheum, 2007, 57(6): 461-465.
5Dalbeth N, Clark B, Gregory K, et al. Mechanisms of bone ero- sions in gout: a quantitative analysis using plain radiography and computed tomography [J]. Ann Rheum Dis, 2009, 68(8): 1290-1295.