All of the following are causes of pancytopenia with cellular bone marrow except:: (A) Paroxysomal noctural hemoglobinuria, (B) Dyskeratosis congenita, (C) Megaloblastic anemia, (D) Hairy cell leukemia
Answer is B. Answer is B (Dyskeratosis congenita) Dyskeratosis congenita is associated with Pancytopenia and a hypocellular marrow.