Least likely to be Pre-leukemic condition is:: (A) Paroxysmal nocturnal hemoglobinuria, (B) Paroxysmal cold hemoglobinuria, (C) Aplastic anemia, (D) Myelodysplastic syndrome
Answer is B. Ans. (b) Paroxysmal cold hemoglobinuria(Ref: Wintrobe's 12th/pgchap 78)Paroxysmal nocturnal hemoglobinuria (PNH), Aplastic anemia & Myelodysplastic syndrome predispose to Leukemia