<prompt> Least likely to be Pre-leukemic condition is:Paroxysmal nocturnal hemoglobinuriaParoxysmal cold hemoglobinuriaAplastic anemiaMyelodysplastic syndrome  <response>: Ans. b Paroxysmal cold hemoglobinuriaRef: Wintrobes 12thpgchap 78Paroxysmal nocturnal hemoglobinuria PNH, Aplastic anemia Myelodysplastic syndrome predispose to Leukemia 