Pancytopenia with hypercellular marrow may be seen due to all of the following except:
Answer is C (Dyskeratosis Congenita ) Dyskeratosis congenita (constitutional aplastic anemia) is associated with Pancytopenia and a Hypocellular bone marrow Myelodysplasia, PNH and Sarcoidosis may all be associated with Pancytopenia and a cellular bone marrow
Myelodysplasia
Paroxysmal Nocturnal Hemoglobinuria
Dyskeratosis congenita
Sarcoidosis