Medicine Pancytopenia with hypercellular marrow could be due to all, EXCEPT: A Myelodysplasia B Paroxysmal nocturnal hemoglobinuria C Sarcoidosis D Dyskeratosis congenita 💡 Explanation Pancytopenia with hypercellular marrow could be due to all, EXCEPT: ✓ Correct Answer: D. Dyskeratosis congenita