Which has worst prognosis in CLL?: (A) 11q Deletion, (B) 12q Trisomy, (C) 17p Deletion, (D) 13q Deletion
Answer is C. 13q deletion : Indolent course ; good prognosis Trisomy 12 : Intermediate prognosis 11q deletion : Poor prognosis 17p deletion : Poorest prognosis