Among the complex variants of t(15;17), PML-RARA fusion followed by residual RARA insertion closed to PML-RARA on der(15) was unique and unusual.     ///    Forty cases (20%) had atypical PML-RARA and/or RARA variants.     ///    D-FISH with PML/RARA probe helped identification of RARA insertion to PML. 