METHODS	Among them , 22 cases were given routinely dexamethasone of 0.035 mg x kg ( -1 ) x d ( -1 ) for maintenance treatment between courses of high-dose dexamethasone ( HD-DXM + RM group ) and 23 cases were given dexamethasone of 0.035 mg x kg ( -1 ) x d ( -1 ) only when the platelet count was lower than 20 x 10 ( 9 ) / L ( HD-DXM + SM group ) .\